Migrate most of cc/ from WebKit::WebTransformationMatrix to gfx::Transform

content/common/cc_messages.h

Index: content/common/cc_messages.h
diff --git a/content/common/cc_messages.h b/content/common/cc_messages.h
index b896a2f836df7fee6525e14b83881bafe2d0619c..74f247938ac256fc331ac017eb632f57955852cf 100644
--- a/content/common/cc_messages.h
+++ b/content/common/cc_messages.h
@@ -24,10 +24,13 @@
 #ifndef CONTENT_COMMON_CC_MESSAGES_H_
 #define CONTENT_COMMON_CC_MESSAGES_H_
 
+namespace gfx {
+class Transform;
+}
+
 namespace WebKit {
 class WebData;
 class WebFilterOperations;
-class WebTransformationMatrix;
 }
 
 namespace IPC {
@@ -57,8 +60,8 @@ struct ParamTraits<WebKit::WebFilterOperations> {
 };
 
 template <>
-struct ParamTraits<WebKit::WebTransformationMatrix> {
-  typedef WebKit::WebTransformationMatrix param_type;
+struct ParamTraits<gfx::Transform> {
+  typedef gfx::Transform param_type;
   static void Write(Message* m, const param_type& p);
   static bool Read(const Message* m, PickleIterator* iter, param_type* r);
   static void Log(const param_type& p, std::string* l);