Converts remainder of ui and chrome/browser/ui/views/frame to use ImageSkia

ui/views/button_drag_utils.h

Index: ui/views/button_drag_utils.h
diff --git a/ui/views/button_drag_utils.h b/ui/views/button_drag_utils.h
index de9b79ad2c8923defbf65c1c9c2054e90ebc75af..d9d3bbc5a878c4a4fd58c5a733013570f5f74f3f 100644
--- a/ui/views/button_drag_utils.h
+++ b/ui/views/button_drag_utils.h
@@ -10,7 +10,10 @@
 #include "ui/views/views_export.h"
 
 class GURL;
-class SkBitmap;
+
+namespace gfx {
+class ImageSkia;
+}
 
 namespace ui {
 class OSExchangeData;
@@ -22,7 +25,7 @@ namespace button_drag_utils {
 // The image looks like that of the bookmark buttons.
 VIEWS_EXPORT void SetURLAndDragImage(const GURL& url,
                                      const string16& title,
-                                     const SkBitmap& icon,
+                                     const gfx::ImageSkia& icon,
                                      ui::OSExchangeData* data);
 
 }  // namespace drag_utils