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

cc/shared_quad_state.h

Index: cc/shared_quad_state.h
diff --git a/cc/shared_quad_state.h b/cc/shared_quad_state.h
index 350e80bddb6830349dd6a38a2083029f9cdfa17b..81fc7af8b50768866338cb59c0548bb99ef417cf 100644
--- a/cc/shared_quad_state.h
+++ b/cc/shared_quad_state.h
@@ -6,9 +6,9 @@
 #define CC_SHARED_QUAD_STATE_H_
 
 #include "base/memory/scoped_ptr.h"
-#include "ui/gfx/rect.h"
-#include <public/WebTransformationMatrix.h>
 #include "cc/cc_export.h"
+#include "ui/gfx/rect.h"
+#include "ui/gfx/transform.h"
 
 namespace cc {
 
@@ -18,13 +18,13 @@ class CC_EXPORT SharedQuadState {
 
   scoped_ptr<SharedQuadState> Copy() const;
 
-  void SetAll(const WebKit::WebTransformationMatrix& content_to_target_transform,
+  void SetAll(const gfx::Transform& content_to_target_transform,
               const gfx::Rect& visible_content_rect,
               const gfx::Rect& clipped_rect_in_target,
               float opacity);
 
   // Transforms from quad's original content space to its target content space.
-  WebKit::WebTransformationMatrix content_to_target_transform;
+  gfx::Transform content_to_target_transform;
   // This rect lives in the content space for the quad's originating layer.
   gfx::Rect visible_content_rect;
   gfx::Rect clipped_rect_in_target;