cc: Clean up RecordingSource API

cc/layers/picture_layer_unittest.cc

 // Copyright 2013 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/picture_layer.h"
 
 #include <stddef.h>
 
 #include "base/memory/ptr_util.h"
 #include "base/threading/thread_task_runner_handle.h"
@@ skipping 423 matching lines @@
   TestTaskGraphRunner task_graph_runner;
   std::unique_ptr<FakeLayerTreeHost> host =
       FakeLayerTreeHost::Create(&host_client, &task_graph_runner);
   host->SetRootLayer(layer);
 
   // Update layers to initialize the recording source.
   gfx::Size layer_bounds(200, 200);
   gfx::Rect layer_rect(layer_bounds);
   Region invalidation(layer_rect);
   recording_source->UpdateAndExpandInvalidation(
-      client, &invalidation, layer_bounds, 1, RecordingSource::RECORD_NORMALLY);
+      client, &invalidation, layer_bounds, RecordingSource::RECORD_NORMALLY);

[Menglin, 2016/07/19 22:56:37]

This is test code. don't need to look at change in this file

 
   // Layer is suitable for gpu rasterization by default.
   EXPECT_TRUE(recording_source->IsSuitableForGpuRasterization());
   EXPECT_TRUE(layer->IsSuitableForGpuRasterization());
 
   // Veto gpu rasterization.
   recording_source->SetUnsuitableForGpuRasterization();
   EXPECT_FALSE(recording_source->IsSuitableForGpuRasterization());
   EXPECT_FALSE(layer->IsSuitableForGpuRasterization());
 }
@@ skipping 66 matching lines @@
   // Do a main frame, record the picture layers. The frame number has changed
   // non-monotonically.
   layer->SetNeedsDisplay();
   host2->Composite(base::TimeTicks::Now());
   EXPECT_EQ(3, layer->update_count());
   EXPECT_EQ(1, host2->source_frame_number());
 }
 
 }  // namespace
 }  // namespace cc