Add an BubbleBorder to BrowserAction popups and fix positioning of the

chrome/browser/views/bubble_border.h

 // Copyright (c) 2009 The Chromium Authors. All rights reserved. Use of this
 // source code is governed by a BSD-style license that can be found in the
 // LICENSE file.
 
 #ifndef CHROME_BROWSER_VIEWS_BUBBLE_BORDER_H_
 #define CHROME_BROWSER_VIEWS_BUBBLE_BORDER_H_
 
 #include "third_party/skia/include/core/SkColor.h"
+#include "views/background.h"
 #include "views/border.h"
 
 class SkBitmap;
 
 // Renders a round-rect border, with optional arrow (off by default), and a
 // custom dropshadow.  This can be used to produce floating "bubble" objects.
 class BubbleBorder : public views::Border {
  public:
   // Possible locations for the (optional) arrow.
   enum ArrowLocation {
@@ skipping 20 matching lines @@
   // Sets the location for the arrow.
   void set_arrow_location(ArrowLocation arrow_location) {
     arrow_location_ = arrow_location;
   }
 
   // Sets the background color for the arrow body.  This is irrelevant if you do
   // not also set the arrow location to something other than NONE.
   void set_background_color(SkColor background_color) {
     background_color_ = background_color;
   }
+  SkColor background_color() const { return background_color_; }
 
   // For borders with an arrow, gives the desired bounds (in screen coordinates)
   // given the rect to point to and the size of the contained contents.  This
   // depends on the arrow location, so if you change that, you should call this
   // again to find out the new coordinates.
   //
   // For borders without an arrow, gives the bounds with the content centered
   // underneath the supplied rect.
   gfx::Rect GetBounds(const gfx::Rect& position_relative_to,
                       const gfx::Size& contents_size) const;
@@ skipping 33 matching lines @@
   static SkBitmap* bottom_arrow_;
 
   static int arrow_x_offset_;
 
   ArrowLocation arrow_location_;
   SkColor background_color_;
 
   DISALLOW_COPY_AND_ASSIGN(BubbleBorder);
 };
 
+// A Background that clips itself to the specified BubbleBorder and uses
+// the background color of the BubbleBorder.
+class BubbleBackground : public views::Background {
+public:
+  BubbleBackground(BubbleBorder* border) : border_(border) {}
+
+  // Background overrides.
+  virtual void Paint(gfx::Canvas* canvas, views::View* view) const;
+
+private:
+  BubbleBorder* border_;
+
+  DISALLOW_COPY_AND_ASSIGN(BubbleBackground);
+};
+
 #endif  // #ifndef CHROME_BROWSER_VIEWS_BUBBLE_BORDER_H_