[rAc OSX] Animate the dots in the "Loading ..." message.

chrome/browser/ui/autofill/loading_animation.h

Index: chrome/browser/ui/autofill/loading_animation.h
diff --git a/chrome/browser/ui/autofill/loading_animation.h b/chrome/browser/ui/autofill/loading_animation.h
index d55fd7bde0d00d9c48d9e965053e43355d99ec1b..7dec09aaab84ec94aa621497acad0f297c56c713 100644
--- a/chrome/browser/ui/autofill/loading_animation.h
+++ b/chrome/browser/ui/autofill/loading_animation.h
@@ -12,14 +12,15 @@ namespace autofill {
 // An animation for a dancing ellipsis.
 class LoadingAnimation : public gfx::LinearAnimation {
  public:
-  explicit LoadingAnimation(gfx::AnimationDelegate* delegate);
+  explicit LoadingAnimation(gfx::AnimationDelegate* delegate,
+                            int font_height);
   virtual ~LoadingAnimation();
 
   // gfx::Animation implementation.
   virtual void Step(base::TimeTicks time_now) OVERRIDE;
 
   // Returns the vertical pixel offset for the nth dot.
-  double GetCurrentValueForDot(size_t dot_i);
+  double GetCurrentValueForDot(size_t dot_i) const;
 
   // Stops this animation. Use this instead of Stop() to make sure future
   // runs don't mess up on the first cycle.
@@ -34,6 +35,10 @@ class LoadingAnimation : public gfx::LinearAnimation {
 
   // True if the current cycle is the first one since Reset() was last called.
   bool first_cycle_;
+
+  // The font height of the loading text, which gives the factor by which to
+  // scale the animation.
+  const int font_height_;
 };
 
 }  // namespace autofill