cc: Remove WebCore dependecies from CCRenderPass and CCDrawQuad classes.

cc/CCDelegatedRendererLayerImpl.cpp

Index: cc/CCDelegatedRendererLayerImpl.cpp
diff --git a/cc/CCDelegatedRendererLayerImpl.cpp b/cc/CCDelegatedRendererLayerImpl.cpp
index 95e610cebffe7a0ecf644ca28c0a66c65f7d3351..0abeb3092021e1f3de38ee1f5ff34740449dcb99 100644
--- a/cc/CCDelegatedRendererLayerImpl.cpp
+++ b/cc/CCDelegatedRendererLayerImpl.cpp
@@ -10,6 +10,7 @@
 #include "CCQuadSink.h"
 #include "CCRenderPassDrawQuad.h"
 #include "CCRenderPassSink.h"
+#include "FloatRect.h"
 
 namespace cc {
 
@@ -57,7 +58,7 @@ void CCDelegatedRendererLayerImpl::setRenderPasses(ScopedPtrVector<CCRenderPass>
 
     if (!m_renderPassesInDrawOrder.isEmpty()) {
         FloatRect newRootDamage = m_renderPassesInDrawOrder.last()->damageRect();
-        m_renderPassesInDrawOrder.last()->setDamageRect(unionRect(oldRootDamage, newRootDamage));
+        m_renderPassesInDrawOrder.last()->setDamageRect(static_cast<FloatRect>(unionRect(oldRootDamage, newRootDamage)));
     }
 }