Stop casting findViewById for var usage.

Bug: 352582031
Change-Id: Ic45898e1302286cfab57efbc36d46cf165230af1
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5698646
Code-Coverage: findit-for-me@appspot.gserviceaccount.com <findit-for-me@appspot.gserviceaccount.com>
Commit-Queue: Sky Malice <skym@chromium.org>
Reviewed-by: Jinsuk Kim <jinsukkim@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1326405}
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/customtabs/features/partialcustomtab/PartialCustomTabBottomSheetStrategy.java b/chrome/android/java/src/org/chromium/chrome/browser/customtabs/features/partialcustomtab/PartialCustomTabBottomSheetStrategy.java
index f97a5cc..3de5c4a 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/customtabs/features/partialcustomtab/PartialCustomTabBottomSheetStrategy.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/customtabs/features/partialcustomtab/PartialCustomTabBottomSheetStrategy.java
@@ -348,7 +348,7 @@
                         mActivity, this::isFullHeight, () -> mStatus, this);
         toolbar.setHandleStrategy(mHandleStrategy);
         toolbar.setMinimizeButtonEnabled(false);
-        var dragBar = (CustomTabDragBar) mActivity.findViewById(R.id.drag_bar);
+        CustomTabDragBar dragBar = mActivity.findViewById(R.id.drag_bar);
         dragBar.setHandleStrategy(mHandleStrategy);
         View dragHandle = mActivity.findViewById(R.id.drag_handle);
         dragHandle.setOnClickListener(v -> onDragBarTapped());
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/customtabs/features/toolbar/CustomTabToolbar.java b/chrome/android/java/src/org/chromium/chrome/browser/customtabs/features/toolbar/CustomTabToolbar.java
index 4a9da3c0..5867359 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/customtabs/features/toolbar/CustomTabToolbar.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/customtabs/features/toolbar/CustomTabToolbar.java
@@ -332,7 +332,7 @@
      */
     public void initSideSheetMaximizeButton(
             boolean maximizedOnInit, MaximizeButtonCallback callback) {
-        var maximizeButton = (ImageButton) findViewById(R.id.custom_tabs_sidepanel_maximize);
+        ImageButton maximizeButton = findViewById(R.id.custom_tabs_sidepanel_maximize);
         if (maximizeButton == null) {
             ViewStub maximizeButtonStub = findViewById(R.id.maximize_button_stub);
             maximizeButtonStub.inflate();
@@ -374,7 +374,7 @@
     }
 
     private void setMaximizeButtonVisibility() {
-        var maximizeButton = (ImageButton) findViewById(R.id.custom_tabs_sidepanel_maximize);
+        ImageButton maximizeButton = findViewById(R.id.custom_tabs_sidepanel_maximize);
         if (!mMaximizeButtonEnabled || maximizeButton == null) {
             if (maximizeButton != null) maximizeButton.setVisibility(View.GONE);
             setUrlTitleBarMargin(0);
@@ -423,14 +423,14 @@
                 maximized
                         ? R.string.custom_tab_side_sheet_minimize
                         : R.string.custom_tab_side_sheet_maximize;
-        var maximizeButton = (ImageButton) findViewById(R.id.custom_tabs_sidepanel_maximize);
+        ImageButton maximizeButton = findViewById(R.id.custom_tabs_sidepanel_maximize);
         var d = UiUtils.getTintedDrawable(getContext(), drawableId, mTint);
         updateCustomActionButtonVisuals(maximizeButton, d, getResources().getString(buttonDescId));
     }
 
     /** Remove maximize button from side sheet CCT toolbar. */
     public void removeSideSheetMaximizeButton() {
-        var maximizeButton = (ImageButton) findViewById(R.id.custom_tabs_sidepanel_maximize);
+        ImageButton maximizeButton = findViewById(R.id.custom_tabs_sidepanel_maximize);
         maximizeButton.setOnClickListener(null);
         maximizeButton.setVisibility(View.GONE);
         mMaximizeButtonEnabled = false;
@@ -445,7 +445,7 @@
 
         ViewStub minimizeButtonStub = findViewById(R.id.minimize_button_stub);
         minimizeButtonStub.inflate();
-        var minimizeButton = (ImageButton) findViewById(R.id.custom_tabs_minimize_button);
+        ImageButton minimizeButton = findViewById(R.id.custom_tabs_minimize_button);
         var d =
                 UiUtils.getTintedDrawable(
                         getContext(), MinimizedFeatureUtils.getMinimizeIcon(), mTint);
diff --git a/chrome/android/junit/src/org/chromium/chrome/browser/customtabs/features/toolbar/CustomTabToolbarUnitTest.java b/chrome/android/junit/src/org/chromium/chrome/browser/customtabs/features/toolbar/CustomTabToolbarUnitTest.java
index 2030abd..9493427 100644
--- a/chrome/android/junit/src/org/chromium/chrome/browser/customtabs/features/toolbar/CustomTabToolbarUnitTest.java
+++ b/chrome/android/junit/src/org/chromium/chrome/browser/customtabs/features/toolbar/CustomTabToolbarUnitTest.java
@@ -393,7 +393,7 @@
         MinimizedFeatureUtils.setDeviceEligibleForMinimizedCustomTabForTesting(true);
         setup();
         LinearLayout closeMinimizeLayout = mToolbar.findViewById(R.id.close_minimize_layout);
-        var minimizeButton = (ImageButton) mToolbar.findViewById(R.id.custom_tabs_minimize_button);
+        ImageButton minimizeButton = mToolbar.findViewById(R.id.custom_tabs_minimize_button);
         View titleUrlContainer = Mockito.mock(View.class);
         when(titleUrlContainer.getLayoutParams())
                 .thenReturn(
@@ -428,8 +428,8 @@
     @DisableFeatures({ChromeFeatureList.CCT_MINIMIZED})
     public void testMinimizeButtonDisabled() {
         LinearLayout closeMinimizeLayout = mToolbar.findViewById(R.id.close_minimize_layout);
-        var minimizeButton = (ImageButton) mToolbar.findViewById(R.id.custom_tabs_minimize_button);
-        var closeButton = (ImageButton) mToolbar.findViewById(R.id.close_button);
+        ImageButton minimizeButton = mToolbar.findViewById(R.id.custom_tabs_minimize_button);
+        ImageButton closeButton = mToolbar.findViewById(R.id.close_button);
 
         // Button on left side
         assertNull("Minimize button should never be initialized", minimizeButton);
diff --git a/chrome/browser/history/java/src/org/chromium/chrome/browser/history/AppFilterViewBinder.java b/chrome/browser/history/java/src/org/chromium/chrome/browser/history/AppFilterViewBinder.java
index 95390eb..f4365b3b3 100644
--- a/chrome/browser/history/java/src/org/chromium/chrome/browser/history/AppFilterViewBinder.java
+++ b/chrome/browser/history/java/src/org/chromium/chrome/browser/history/AppFilterViewBinder.java
@@ -15,7 +15,7 @@
 class AppFilterViewBinder {
     static void bind(PropertyModel model, View view, PropertyKey key) {
         if (AppFilterProperties.ICON == key) {
-            var icon = (ImageView) view.findViewById(R.id.start_icon);
+            ImageView icon = view.findViewById(R.id.start_icon);
             icon.setImageDrawable(model.get(AppFilterProperties.ICON));
             icon.setScaleType(ImageView.ScaleType.FIT_CENTER);
         } else if (AppFilterProperties.LABEL == key) {
@@ -23,7 +23,7 @@
                     .setText(model.get(AppFilterProperties.LABEL));
             view.findViewById(R.id.description).setVisibility(View.GONE);
         } else if (AppFilterProperties.SELECTED == key) {
-            var checkMark = (ImageView) view.findViewById(R.id.end_button);
+            ImageView checkMark = view.findViewById(R.id.end_button);
             checkMark.setImageResource(R.drawable.ic_check_googblue_24dp);
             boolean selected = model.get(AppFilterProperties.SELECTED);
             checkMark.setVisibility(selected ? View.VISIBLE : View.INVISIBLE);