Remove static thread pointers from CC

cc/texture_update_controller.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 "config.h"
 
 #include "cc/texture_update_controller.h"
 
 #include "base/debug/trace_event.h"
 #include "cc/prioritized_texture.h"
@@ skipping 108 matching lines @@
         IntRect pictureRect = update.content_rect;
         IntRect sourceRect = update.source_rect;
         IntSize destOffset = update.dest_offset;
 
         texture->acquireBackingTexture(m_resourceProvider);
         DCHECK(texture->haveBackingTexture());
 
         DCHECK(m_resourceProvider->resourceType(texture->resourceId()) ==
                CCResourceProvider::GLTexture);
 
-        WebGraphicsContext3D* paintContext = CCProxy::hasImplThread() ?
+        bool hasImplThread = m_resourceProvider->proxy()->hasImplThread();
+        WebGraphicsContext3D* paintContext = hasImplThread ?
             WebSharedGraphicsContext3D::compositorThreadContext() :
             WebSharedGraphicsContext3D::mainThreadContext();
-        GrContext* paintGrContext = CCProxy::hasImplThread() ?
+        GrContext* paintGrContext = hasImplThread ?
             WebSharedGraphicsContext3D::compositorThreadGrContext() :
             WebSharedGraphicsContext3D::mainThreadGrContext();
 
         // Flush the context in which the backing texture is created so that it
         // is available in other shared contexts. It is important to do here
         // because the backing texture is created in one context while it is
         // being written to in another.
         m_resourceProvider->flush();
         CCResourceProvider::ScopedWriteLockGL lock(
             m_resourceProvider, texture->resourceId());
@@ skipping 140 matching lines @@
     while (m_queue->fullUploadSize() && uploadCount < uploads) {
         if (!(uploadCount % textureUploadFlushPeriod) && uploadCount)
             m_resourceProvider->shallowFlushIfSupported();
         updateTexture(m_queue->takeFirstFullUpload());
         uploadCount++;
     }
     m_resourceProvider->shallowFlushIfSupported();
 }
 
 }  // namespace cc