Remove static thread pointers from CC

cc/texture_layer_unittest.cc

Index: cc/texture_layer_unittest.cc
diff --git a/cc/texture_layer_unittest.cc b/cc/texture_layer_unittest.cc
index 67ba102cd5bb17cdaeba3bae86cd3e58bddeb666..0c24429a08067345c95e54867590050bf6ddb6e5 100644
--- a/cc/texture_layer_unittest.cc
+++ b/cc/texture_layer_unittest.cc
@@ -26,7 +26,7 @@ public:
     MockLayerImplTreeHost()
         : LayerTreeHost(&m_fakeClient, LayerTreeSettings())
     {
-        initialize();
+        initialize(NULL);
     }
 
     MOCK_METHOD0(acquireLayerTextures, void());
@@ -97,10 +97,7 @@ TEST_F(TextureLayerTest, syncImplWhenDrawing)
     scoped_refptr<TextureLayer> testLayer = TextureLayer::create(0);
     ASSERT_TRUE(testLayer);
     scoped_ptr<TextureLayerImpl> implLayer;
-    {
-        DebugScopedSetImplThread setImplThread;
-        implLayer = TextureLayerImpl::create(1);
-    }
+    implLayer = TextureLayerImpl::create(1);
     ASSERT_TRUE(implLayer);
 
     EXPECT_CALL(*m_layerTreeHost, acquireLayerTextures()).Times(AnyNumber());
@@ -144,11 +141,6 @@ TEST_F(TextureLayerTest, syncImplWhenDrawing)
     testLayer->willModifyTexture();
     testLayer->setNeedsDisplayRect(dirtyRect);
     Mock::VerifyAndClearExpectations(m_layerTreeHost.get());
-
-    {
-        DebugScopedSetImplThread setImplThread;
-        delete implLayer.release();
-    }
 }
 
 TEST_F(TextureLayerTest, syncImplWhenRemovingFromTree)