Remove static thread pointers from CC

cc/prioritized_texture.h

 // 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.
 
 #ifndef CCPrioritizedTexture_h
 #define CCPrioritizedTexture_h
 
 #include "IntRect.h"
 #include "IntSize.h"
 #include "base/basictypes.h"
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
+#include "base/threading/thread_checker.h"
 #include "cc/priority_calculator.h"
 #include "cc/resource_provider.h"
 #include "cc/texture.h"
 #include "third_party/khronos/GLES2/gl2.h"
 
 namespace cc {
 
 class PrioritizedTextureManager;
 
 class PrioritizedTexture {
@@ skipping 86 matching lines @@
         int m_priorityAtLastPriorityUpdate;
         bool m_wasAbovePriorityCutoffAtLastPriorityUpdate;
 
         // Set if this is currently-drawing impl tree.
         bool m_inDrawingImplTree;
 
         bool m_resourceHasBeenDeleted;
 #ifndef NDEBUG
         ResourceProvider* m_resourceProvider;
 #endif
+        base::ThreadChecker m_threadChecker;
 
         DISALLOW_COPY_AND_ASSIGN(Backing);
     };
 
     PrioritizedTexture(PrioritizedTextureManager*, IntSize, GLenum format);
 
     bool isAbovePriorityCutoff() { return m_isAbovePriorityCutoff; }
     void setAbovePriorityCutoff(bool isAbovePriorityCutoff) { m_isAbovePriorityCutoff = isAbovePriorityCutoff; }
     void setManagerInternal(PrioritizedTextureManager* manager) { m_manager = manager; }
 
@@ skipping 12 matching lines @@
 
     Backing* m_backing;
     PrioritizedTextureManager* m_manager;
 
     DISALLOW_COPY_AND_ASSIGN(PrioritizedTexture);
 };
 
 }  // namespace cc
 
 #endif