Fixing opacity for browser frame window on ASH/Windows.

chrome/browser/ui/views/chrome_views_delegate.h

Index: chrome/browser/ui/views/chrome_views_delegate.h
diff --git a/chrome/browser/ui/views/chrome_views_delegate.h b/chrome/browser/ui/views/chrome_views_delegate.h
index d20c1f0a875307f407bcf10bb493df313a322333..e3e8f5b3e05728901403cd178ea6b25dae930135 100644
--- a/chrome/browser/ui/views/chrome_views_delegate.h
+++ b/chrome/browser/ui/views/chrome_views_delegate.h
@@ -42,7 +42,6 @@ class ChromeViewsDelegate : public views::ViewsDelegate {
 #endif
   virtual views::NonClientFrameView* CreateDefaultNonClientFrameView(
       views::Widget* widget) OVERRIDE;
-  virtual bool UseTransparentWindows() const OVERRIDE;
   virtual void AddRef() OVERRIDE;
   virtual void ReleaseRef() OVERRIDE;
   virtual content::WebContents* CreateWebContents(
@@ -54,6 +53,11 @@ class ChromeViewsDelegate : public views::ViewsDelegate {
   virtual base::TimeDelta GetDefaultTextfieldObscuredRevealDuration() OVERRIDE;
 
  private:
+  // Function to retrieve default opacity value mainly based on platform
+  // and desktop context.
+  views::Widget::InitParams::WindowOpacity GetOpacityForInitParams(
+      const views::Widget::InitParams& params);
+
   DISALLOW_COPY_AND_ASSIGN(ChromeViewsDelegate);
 };