alternate ntp: toolbar background and separator animation

chrome/browser/ui/search/toolbar_search_animator_observer.h

Index: chrome/browser/ui/search/toolbar_search_animator_observer.h
diff --git a/chrome/browser/ui/search/toolbar_search_animator_observer.h b/chrome/browser/ui/search/toolbar_search_animator_observer.h
index 2de0deacabbc10542253e90227acf4dca9b456aa..c7fa636a4fe4d934a786b161ddfa3ebd59fec0f3 100644
--- a/chrome/browser/ui/search/toolbar_search_animator_observer.h
+++ b/chrome/browser/ui/search/toolbar_search_animator_observer.h
@@ -13,10 +13,12 @@ namespace search {
 // This class defines the observer interface for |ToolbarSearchAnimator|.
 class ToolbarSearchAnimatorObserver {
  public:
-  // Called from ui::AnimationDelegate::AnimationProgressed.
+  // Called from ui::AnimationDelegate::AnimationProgressed for fading in
+  // toollbar gradient background.

[dhollowa, 2012/07/24 00:24:49]

nit: toolbar (spelling)

[kuan, 2012/07/30 23:21:02]

Done.

   virtual void OnToolbarBackgroundAnimatorProgressed() = 0;
 
-  // Called when animation is canceled and jumps to the end state.
+  // Called when toolbar gradient background animation is canceled and jumps to
+  // the end state.
   // If animation is canceled because the active tab is deactivated or detached
   // or closing, |tab_contents| contains the tab's contents.
   // Otherwise, if animation is canceled because of mode change, |tab_contents|
@@ -24,6 +26,14 @@ class ToolbarSearchAnimatorObserver {
   virtual void OnToolbarBackgroundAnimatorCanceled(
       TabContents* tab_contents) = 0;
 
+  // Called from ui::AnimationDelegate::AnimationProgressed for fading in or out
+  // toolbar separator.

[dhollowa, 2012/07/24 00:24:49]

"the toolbar separator"

[kuan, 2012/07/30 23:21:02]

Done.

+  virtual void OnToolbarSeparatorAnimatorProgressed() {}
+
+  // Called when toolbar separator animation is canceled and jumps to the end

[dhollowa, 2012/07/24 00:24:49]

"the toolbar separator"

[kuan, 2012/07/30 23:21:02]

Done.

+  // state.
+  virtual void OnToolbarSeparatorAnimatorCanceled() {}
+
  protected:
   virtual ~ToolbarSearchAnimatorObserver() {}
 };