cc: Clean up OcclusionTracker template parameters.

cc/trees/layer_tree_host_unittest_occlusion.cc

 // Copyright 2012 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.
 
 #include "cc/trees/layer_tree_host.h"
 
 #include "cc/layers/layer.h"
 #include "cc/output/copy_output_request.h"
 #include "cc/output/copy_output_result.h"
 #include "cc/test/layer_tree_test.h"
-#include "cc/test/occlusion_tracker_test_common.h"
+#include "cc/test/test_occlusion_tracker.h"
 
 namespace cc {
 namespace {
 
 class TestLayer : public Layer {
  public:
   static scoped_refptr<TestLayer> Create() {
     return make_scoped_refptr(new TestLayer());
   }
 
-  virtual bool Update(
-      ResourceUpdateQueue* update_queue,
-      const OcclusionTracker* occlusion) OVERRIDE {
+  virtual bool Update(ResourceUpdateQueue* update_queue,
+                      const OcclusionTracker<Layer>* occlusion) OVERRIDE {
     if (!occlusion)
       return false;
 
     // Gain access to internals of the OcclusionTracker.
-    const TestOcclusionTracker* test_occlusion =
-        static_cast<const TestOcclusionTracker*>(occlusion);
+    const TestOcclusionTracker<Layer>* test_occlusion =
+        static_cast<const TestOcclusionTracker<Layer>*>(occlusion);
     occlusion_ = UnionRegions(
         test_occlusion->occlusion_from_inside_target(),
         test_occlusion->occlusion_from_outside_target());
     return false;
   }
 
   const Region& occlusion() const { return occlusion_; }
   const Region& expected_occlusion() const { return expected_occlusion_; }
   void set_expected_occlusion(const Region& occlusion) {
     expected_occlusion_ = occlusion;
@@ skipping 573 matching lines @@
 
     layer_tree_host()->SetRootLayer(layers[0]);
     LayerTreeTest::SetupTree();
   }
 };
 
 SINGLE_AND_MULTI_THREAD_TEST_F(LayerTreeHostOcclusionTestManySurfaces);
 
 }  // namespace
 }  // namespace cc