cc: Remove WebCore dependecies from CCRenderPass and CCDrawQuad classes.

cc/stubs/IntRect.h

 // Copyright (c) 2012 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 CC_STUBS_INTRECT_H_
 #define CC_STUBS_INTRECT_H_
 
 #include "IntPoint.h"
 #include "IntSize.h"
 #if INSIDE_WEBKIT_BUILD
 #include "Source/WebCore/platform/graphics/IntRect.h"
 #else
 #include "third_party/WebKit/Source/WebCore/platform/graphics/IntRect.h"
 #endif
+#include <public/WebRect.h>
 
 namespace cc {
 
 class IntRect : public WebCore::IntRect {
 public:
     IntRect() { }
 
     IntRect(const IntPoint& location, const IntSize& size)
         : WebCore::IntRect(location, size)
     {
     }
 
     IntRect(int x, int y, int width, int height)
         : WebCore::IntRect(x, y, width, height)
     {
     }
 
     IntRect(WebCore::IntRect rect)
         : WebCore::IntRect(rect.x(), rect.y(), rect.width(), rect.height())
     {
+    }
 
+    IntRect(WebKit::WebRect rect)
+        : WebCore::IntRect(rect.x, rect.y, rect.width, rect.height)
+    {
+    }
+
+    operator WebKit::WebRect() const
+    {
+        return WebKit::WebRect(x(), y(), width(), height());
     }
 };
 
 }
 
 #endif