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

chrome/browser/android/compositor/layer/contextual_search_layer.h

Index: chrome/browser/android/compositor/layer/contextual_search_layer.h
diff --git a/chrome/browser/android/compositor/layer/contextual_search_layer.h b/chrome/browser/android/compositor/layer/contextual_search_layer.h
index 68e6a5d9018921342df250f95bdaa0fe56461332..960cab57ee6173637e666dd3c74fa3fbe4caa6ce 100644
--- a/chrome/browser/android/compositor/layer/contextual_search_layer.h
+++ b/chrome/browser/android/compositor/layer/contextual_search_layer.h
@@ -59,6 +59,10 @@ class ContextualSearchLayer : public Layer {
                      float search_bar_border_height,
                      bool search_bar_shadow_visible,
                      float search_bar_shadow_opacity,
+                     bool search_provider_icon_visible,
+                     int search_provider_icon_sprites_per_row,
+                     int search_provider_icon_sprite_rows,
+                     int search_provider_icon_sprite_frame,
                      float arrow_icon_opacity,
                      float arrow_icon_rotation,
                      bool close_icon_visible,
@@ -76,6 +80,10 @@ class ContextualSearchLayer : public Layer {
   ~ContextualSearchLayer() override;
 
  private:
+  // Uses the |sprite_frame| to limit the portion of search_provider_icon_

[Changwan Ryu, 2015/09/14 01:51:30]

Nit: how about s/limit/determine/ ?

[Theresa, 2015/09/14 19:48:25]

Done.

+  // that gets drawn to an individual sprite.
+  void SetSearchProviderIconUV(int sprite_frame);
+
   ui::ResourceManager* resource_manager_;
 
   scoped_refptr<cc::Layer> layer_;
@@ -93,6 +101,9 @@ class ContextualSearchLayer : public Layer {
   scoped_refptr<cc::NinePatchLayer> progress_bar_background_;
   scoped_refptr<cc::UIResourceLayer> search_promo_;
   scoped_refptr<cc::SolidColorLayer> search_promo_container_;
+
+  int search_provider_icon_sprites_per_row_;
+  int search_provider_icon_sprite_rows_;
 };
 
 }  //  namespace android