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

cc/layer_sorter.h

 // Copyright 2011 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_LAYER_SORTER_H_
 #define CC_LAYER_SORTER_H_
 
 #include "base/basictypes.h"
 #include "base/hash_tables.h"
 #include "cc/cc_export.h"
@@ skipping 12 matching lines @@
 namespace BASE_HASH_NAMESPACE {
 template<>
 struct hash<cc::GraphEdge*> {
   size_t operator()(cc::GraphEdge* ptr) const {
     return hash<size_t>()(reinterpret_cast<size_t>(ptr));
   }
 };
 } // namespace BASE_HASH_NAMESPACE
 #endif // COMPILER
 
-namespace WebKit {
-class WebTransformationMatrix;
+namespace gfx {
+class Transform;
 }
 
 namespace cc {
 
 struct GraphEdge;
 
 // Holds various useful properties derived from a layer's 3D outline.
 struct CC_EXPORT LayerShape {
     LayerShape();
-    LayerShape(float width, float height, const WebKit::WebTransformationMatrix& drawTransform);
+    LayerShape(float width, float height, const gfx::Transform& drawTransform);
     ~LayerShape();
 
     float layerZFromProjectedPoint(const gfx::PointF&) const;
 
     gfx::Vector3dF layerNormal;
     gfx::Point3F transformOrigin;
     gfx::QuadF projectedQuad;
     gfx::RectF projectedBounds;
 };
 
@@ skipping 52 matching lines @@
 
     void createGraphNodes(LayerList::iterator first, LayerList::iterator last);
     void createGraphEdges();
     void removeEdgeFromList(GraphEdge*, std::vector<GraphEdge*>&);
 
     DISALLOW_COPY_AND_ASSIGN(LayerSorter);
 };
 
 }
 #endif  // CC_LAYER_SORTER_H_