[Contextual Search] Add support for crushed sprites and animate the search provider icon

build/android/lint/suppressions.xml

 <?xml version="1.0" encoding="utf-8"?>
 <lint>
   <!--
 STOP! It looks like you want to suppress some lint errors:
 - Have you tried identifing the offending patch?
   Ask the author for a fix and/or revert the patch.
 - It is preferred to add suppressions in the code instead of
   sweeping it under the rug here. See:
 
     http://developer.android.com/tools/debugging/improving-w-lint.html
@@ skipping 35 matching lines @@
     <ignore path="components/web_contents_delegate_android/android/java/res/drawable-xxhdpi"/>
     <ignore path="components/web_contents_delegate_android/android/java/res/drawable-xxxhdpi"/>
     <ignore path="content/public/android/java/res/drawable-xxhdpi"/>
     <ignore path="content/public/android/java/res/drawable-xxxhdpi"/>
     <ignore path="chrome/android/java/res/drawable-xxhdpi"/>
     <ignore path="chrome/android/java/res/drawable-xxxhdpi"/>
     <ignore path="ui/android/java/res/drawable-xxhdpi"/>
     <ignore path="ui/android/java/res/drawable-xxxhdpi"/>
     <ignore regexp=".*: data_reduction_illustration.png, reader_mode_bar_background.9.png, tabs_moved_htc.png, tabs_moved_nexus.png, tabs_moved_samsung.png$"/>
   </issue>
+  <issue id="IconDipSize">
+    <ignore regexp=".*google_icon_sprite.png.*"/>

[newt (away), 2015/09/25 02:18:44]

Much better :D
Make sure that this regex doesn't allow other mis-sized images to sneak past
lint. I'd try messing up another image's dimensions and see what the error is in
that case.

For comparison, lint prints out a single IconDensities warning that contains a
list of all images that are missing in some density, so the regex I added for
IconDensities very specifically begins with ": " and ends with "$" to ensure
that if other images are missing densities, they won't match that regex.

+  </issue>
   <issue id="IconLocation">
     <!-- It is OK for content_shell_apk to have missing assets. -->
     <ignore path="content/shell/android/java/res/"/>
     <!-- Suppression for chrome/test/chromedriver/test/webview_shell/java/res/drawable/icon.png -->
     <ignore path="res/drawable/icon.png"/>
     <!-- TODO(lambroslambrou) remove this once crbug.com/502030 is fixed. -->
     <ignore path="remoting/android/java/res"/>
   </issue>
   <issue id="InconsistentLayout" severity="ignore"/>
   <issue id="InflateParams" severity="ignore"/>
@@ skipping 35 matching lines @@
     <ignore path="content/shell/android/shell_apk/res/values/strings.xml" />
   </issue>
   <issue id="SignatureOrSystemPermissions" severity="ignore"/>
   <issue id="UnusedAttribute" severity="ignore"/>
   <issue id="ViewConstructor" severity="ignore"/>
   <issue id="WrongCall" severity="ignore"/>
   <issue id="UselessParent">
     <ignore path="chrome/android/java/res/layout/data_reduction_promo_screen.xml" />
   </issue>
 </lint>