views: Update event-related API to use PointF/RectF instead of Point/Rect.

ui/app_list/views/speech_view.cc

Index: ui/app_list/views/speech_view.cc
diff --git a/ui/app_list/views/speech_view.cc b/ui/app_list/views/speech_view.cc
index 56df2fcd0c51fc32d1b32dfdbab1ef912a18db77..2a4f79e7dc90ad8b2ca302b29321984b9595b777 100644
--- a/ui/app_list/views/speech_view.cc
+++ b/ui/app_list/views/speech_view.cc
@@ -75,7 +75,7 @@ class MicButton : public views::ImageButton {
 
  private:
   // Overridden from views::View:
-  virtual bool HitTestRect(const gfx::Rect& rect) const OVERRIDE;
+  virtual bool HitTestRect(const gfx::RectF& rect) const OVERRIDE;
 
   DISALLOW_COPY_AND_ASSIGN(MicButton);
 };
@@ -85,7 +85,7 @@ MicButton::MicButton(views::ButtonListener* listener)
 
 MicButton::~MicButton() {}
 
-bool MicButton::HitTestRect(const gfx::Rect& rect) const {
+bool MicButton::HitTestRect(const gfx::RectF& rect) const {
   if (!views::ImageButton::HitTestRect(rect))
     return false;