ash: Fix blurry app list bubble border.

BUG=140872
TEST=Verify app list bubble border is sharp.

R=sky@chromium.org

Review URL: https://chromiumcodereview.appspot.com/10826172

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@150167 0039d316-1c4b-4281-b951-d872f2087c98

ui/app_list/app_list_bubble_border.h

@@ -19,9 +19,9 @@ class AppListBubbleBorder : public views::BubbleBorder2 {
   virtual ~AppListBubbleBorder();
 
  private:
-  // views::ImagelessBubbleBorder overrides:
-  void PaintBackground(gfx::Canvas* canvas,
-                       const gfx::Rect& bounds) const;
+  // views::BubbleBorder2 overrides:
+  virtual void PaintBackground(gfx::Canvas* canvas,
+                               const gfx::Rect& bounds) const OVERRIDE;
 
   // AppListView hosted inside this bubble.
   const views::View* app_list_view_;  // Owned by views hierarchy.

ui/app_list/app_list_view.cc

@@ -74,14 +74,14 @@ void AppListView::InitAsBubble(
       kArrowOffset));
   views::BubbleDelegateView::CreateBubble(this);
 
-  // Resets default background since AppListBubbleBorder paints background.
-  GetBubbleFrameView()->set_background(NULL);
-
   // Overrides border with AppListBubbleBorder.
   bubble_border_ = new AppListBubbleBorder(this, search_box_view_);
   GetBubbleFrameView()->SetBubbleBorder(bubble_border_);
   SetBubbleArrowLocation(arrow_location);
 
+  // Resets default background since AppListBubbleBorder paints background.
+  GetBubbleFrameView()->set_background(NULL);
+
   CreateModel();
 }
 

ui/views/bubble/bubble_border_2.h

@@ -50,8 +50,8 @@ class VIEWS_EXPORT BubbleBorder2 : public BubbleBorder {
   virtual int GetBorderThickness() const OVERRIDE;
 
  protected:
-  void PaintBackground(gfx::Canvas* canvas,
-                       const gfx::Rect& bounds) const;
+  virtual void PaintBackground(gfx::Canvas* canvas,
+                               const gfx::Rect& bounds) const;
 
  private:
   // Gets arrow offset based on arrow location and |offset_|.