Replace Chromium .ico files with Material Design versions.

BUG=517654

Review URL: https://codereview.chromium.org/1296283003

Cr-Commit-Position: refs/heads/master@{#344091}
diff --git a/chrome/app/theme/chromium/win/chromium.ico b/chrome/app/theme/chromium/win/chromium.ico
index ee9c859..cafa723 100644
--- a/chrome/app/theme/chromium/win/chromium.ico
+++ b/chrome/app/theme/chromium/win/chromium.ico
Binary files differ
diff --git a/chrome/app/theme/chromium/win/webstore.ico b/chrome/app/theme/chromium/win/webstore.ico
index ac1cb58..9566bdd 100644
--- a/chrome/app/theme/chromium/win/webstore.ico
+++ b/chrome/app/theme/chromium/win/webstore.ico
Binary files differ