Fix status bubble shadow being opaque, which made the bubble appear to be off...

chrome/browser/views/status_bubble_views.h

 // Copyright (c) 2006-2008 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_STATUS_BUBBLE_VIEWS_H_
 #define CHROME_BROWSER_VIEWS_STATUS_BUBBLE_VIEWS_H_
 
 #include "base/gfx/rect.h"
 #include "chrome/browser/status_bubble.h"
 #include "chrome/views/widget/widget.h"
 #include "chrome/views/widget/widget_win.h"
 
 class GURL;
 
 // StatusBubble displays a bubble of text that fades in, hovers over the
 // browser chrome and fades away when not needed. It is primarily designed
 // to allow users to see where hovered links point to.
 class StatusBubbleViews : public StatusBubble {
  public:
+  // How wide the bubble's shadow is.
+  static const int kShadowThickness;
+
   explicit StatusBubbleViews(views::Widget* frame);
   ~StatusBubbleViews();
 
   // Set the bounds of the bubble relative to the browser window.
   void SetBounds(int x, int y, int w, int h);
 
   // Reposition the bubble - as we are using a WS_POPUP for the bubble,
   // we have to manually position it when the browser window moves.
   void Reposition();
 
@@ skipping 31 matching lines @@
   scoped_ptr<views::WidgetWin> popup_;
   double opacity_;
 
   views::Widget* frame_;
   StatusView* view_;
 
   DISALLOW_COPY_AND_ASSIGN(StatusBubbleViews);
 };
 
 #endif  // CHROME_BROWSER_VIEWS_STATUS_BUBBLE_VIEWS_H_