Update DEPS for 3996 branching

# This is an automated release commit.
# Do not revert without consulting chrome-pmo@google.com.
NOAUTOREVERT=true
TBR=mmoss@chromium.org

Change-Id: Ic5ce3b1cadc3a62a924335c3b12f4ef60c422678
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1967201
Reviewed-by: Chrome Release Bot (LUCI) <chrome-official-brancher@chops-service-accounts.iam.gserviceaccount.com>
Cr-Commit-Position: refs/branch-heads/3996@{#1}
Cr-Branched-From: 1afd079c5b67c99d6bf32782ebd991b421de91ec-refs/heads/master@{#724884}
diff --git a/DEPS b/DEPS
index 90e97c0..cc8bbdb 100644
--- a/DEPS
+++ b/DEPS
@@ -179,7 +179,7 @@
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling V8
   # and whatever else without interference from each other.
-  'v8_revision': '259dff3db0cc5126c95efc07addd5b380b93da48',
+  'v8_revision': 'refs/heads/chromium/3996',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling swarming_client
   # and whatever else without interference from each other.
@@ -187,7 +187,7 @@
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling ANGLE
   # and whatever else without interference from each other.
-  'angle_revision': 'e181f2f7cf172afd95b9646283bd910caaa1b721',
+  'angle_revision': 'refs/heads/chromium/3996',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling SwiftShader
   # and whatever else without interference from each other.
@@ -195,7 +195,7 @@
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling PDFium
   # and whatever else without interference from each other.
-  'pdfium_revision': 'fc3b3ed16213f819c28ed77f782f725b9bf66e69',
+  'pdfium_revision': 'refs/heads/chromium/3996',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling BoringSSL
   # and whatever else without interference from each other.
@@ -246,7 +246,7 @@
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling devtools-frontend
   # and whatever else without interference from each other.
-  'devtools_frontend_revision': 'cc31c2270fd8dec37e95e23e85ac10423b355ed5',
+  'devtools_frontend_revision': 'refs/heads/chromium/3996',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling libprotobuf-mutator
   # and whatever else without interference from each other.
@@ -1496,7 +1496,7 @@
     Var('chromium_git') + '/external/khronosgroup/webgl.git' + '@' + 'dd55f3ca8f2ea716ca917a4aaf36f0729fe902b1',
 
   'src/third_party/webrtc':
-    Var('webrtc_git') + '/src.git' + '@' + '41466b7bef5aa0927e3724f53c556bc4019f80d4',
+    Var('webrtc_git') + '/src.git' + '@' + 'refs/branch-heads/3996',
 
   'src/third_party/libgifcodec':
      Var('skia_git') + '/libgifcodec' + '@'+  Var('libgifcodec_revision'),
@@ -1566,7 +1566,7 @@
     Var('chromium_git') + '/v8/v8.git' + '@' +  Var('v8_revision'),
 
   'src-internal': {
-    'url': 'https://chrome-internal.googlesource.com/chrome/src-internal.git@2dc34316a80fe3f654aa2fc20f7f6677d05904b4',
+    'url': 'https://chrome-internal.googlesource.com/chrome/src-internal.git@refs/heads/chromium/3996',
     'condition': 'checkout_src_internal',
   },