cc: Switch RenderingStats collection in Layer::Update() to RenderingStatsInstrumentation

cc/layers/scrollbar_layer_unittest.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/layers/scrollbar_layer.h"
 
 #include "cc/animation/scrollbar_animation_controller.h"
 #include "cc/layers/append_quads_data.h"
 #include "cc/layers/scrollbar_layer_impl.h"
 #include "cc/quads/solid_color_draw_quad.h"
@@ skipping 299 matching lines @@
 
         testing::Mock::VerifyAndClearExpectations(m_layerTreeHost.get());
         EXPECT_EQ(scrollbarLayer->layer_tree_host(), m_layerTreeHost.get());
 
         PriorityCalculator calculator;
         ResourceUpdateQueue queue;
         OcclusionTracker occlusionTracker(gfx::Rect(), false);
 
         scrollbarLayer->SetTexturePriorities(calculator);
         m_layerTreeHost->contents_texture_manager()->PrioritizeTextures();
-        scrollbarLayer->Update(&queue, &occlusionTracker, NULL);
+        scrollbarLayer->Update(&queue, &occlusionTracker);
         EXPECT_EQ(0, queue.FullUploadSize());
         EXPECT_EQ(expectedResources, queue.PartialUploadSize());
 
         testing::Mock::VerifyAndClearExpectations(m_layerTreeHost.get());
     }
 
 protected:
     FakeLayerTreeHostClient m_fakeClient;
     LayerTreeSettings m_layerTreeSettings;
     scoped_ptr<MockLayerTreeHost> m_layerTreeHost;
@@ skipping 70 matching lines @@
     EXPECT_EQ(10, pinchZoomHorizontal->CurrentPos());
     EXPECT_EQ(100, pinchZoomHorizontal->TotalSize());
     EXPECT_EQ(30, pinchZoomHorizontal->Maximum());
     EXPECT_EQ(20, pinchZoomVertical->CurrentPos());
     EXPECT_EQ(200, pinchZoomVertical->TotalSize());
     EXPECT_EQ(50, pinchZoomVertical->Maximum());
 }
 
 }  // namespace
 }  // namespace cc