cc: Remove WebCore dependecies from CCRenderPass and CCDrawQuad classes.

cc/stubs/IntRect.h

Index: cc/stubs/IntRect.h
diff --git a/cc/stubs/IntRect.h b/cc/stubs/IntRect.h
index 1599967a88117225ba67c4b3e964d661b6205053..37a93e7453a3604bb10dc16156b41a52d8a0870d 100644
--- a/cc/stubs/IntRect.h
+++ b/cc/stubs/IntRect.h
@@ -12,6 +12,7 @@
 #else
 #include "third_party/WebKit/Source/WebCore/platform/graphics/IntRect.h"
 #endif
+#include <public/WebRect.h>
 
 namespace cc {
 
@@ -32,7 +33,16 @@ public:
     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());
     }
 };