gpu: Refactor GpuMemoryBuffer framework for multi-process support.

cc/test/fake_tile_manager.cc

Index: cc/test/fake_tile_manager.cc
diff --git a/cc/test/fake_tile_manager.cc b/cc/test/fake_tile_manager.cc
index c1322548492250673b41bf5a4858067be1cefc2c..7749965c44bc3f05be2ae62a81fd670c893339bf 100644
--- a/cc/test/fake_tile_manager.cc
+++ b/cc/test/fake_tile_manager.cc
@@ -15,6 +15,7 @@ class FakeRasterWorkerPool : public RasterWorkerPool {
   FakeRasterWorkerPool() : RasterWorkerPool(NULL, 1) {}
 
   virtual void ScheduleTasks(RasterTask::Queue* queue) OVERRIDE {}
+  virtual GLenum GetResourceFormat() const OVERRIDE { return GL_RGBA; }
   virtual void OnRasterTasksFinished() OVERRIDE {}
   virtual void OnRasterTasksRequiredForActivationFinished() OVERRIDE {}
 };
@@ -26,8 +27,7 @@ FakeTileManager::FakeTileManager(TileManagerClient* client)
                   NULL,
                   make_scoped_ptr<RasterWorkerPool>(new FakeRasterWorkerPool),
                   1,
-                  NULL,
-                  GL_RGBA) {}
+                  NULL) {}
 
 FakeTileManager::FakeTileManager(TileManagerClient* client,
                                  ResourceProvider* resource_provider)
@@ -35,8 +35,7 @@ FakeTileManager::FakeTileManager(TileManagerClient* client,
                   resource_provider,
                   make_scoped_ptr<RasterWorkerPool>(new FakeRasterWorkerPool),
                   1,
-                  NULL,
-                  resource_provider->best_texture_format()) {}
+                  NULL) {}
 
 FakeTileManager::~FakeTileManager() {}