Add a flag to disable partial raster in renderer

cc/raster/one_copy_tile_task_worker_pool.h

 // Copyright 2014 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.
 
 #ifndef CC_RASTER_ONE_COPY_TILE_TASK_WORKER_POOL_H_
 #define CC_RASTER_ONE_COPY_TILE_TASK_WORKER_POOL_H_
 
 #include <set>
 
 #include "base/memory/weak_ptr.h"
@@ skipping 30 matching lines @@
       public base::trace_event::MemoryDumpProvider {
  public:
   ~OneCopyTileTaskWorkerPool() override;
 
   static scoped_ptr<TileTaskWorkerPool> Create(
       base::SequencedTaskRunner* task_runner,
       TaskGraphRunner* task_graph_runner,
       ContextProvider* context_provider,
       ResourceProvider* resource_provider,
       int max_copy_texture_chromium_size,
-      bool use_persistent_gpu_memory_buffers,
+      bool use_partial_raster,
       int max_staging_buffer_usage_in_bytes,
       bool use_rgba_4444_texture_format);
 
   // Overridden from TileTaskWorkerPool:
   TileTaskRunner* AsTileTaskRunner() override;
 
   // Overridden from TileTaskRunner:
   void SetClient(TileTaskRunnerClient* client) override;
   void Shutdown() override;
   void ScheduleTasks(TileTaskQueue* queue) override;
@@ skipping 22 matching lines @@
       float scale,
       bool include_images,
       uint64_t resource_content_id,
       uint64_t previous_content_id);
 
  protected:
   OneCopyTileTaskWorkerPool(base::SequencedTaskRunner* task_runner,
                             TaskGraphRunner* task_graph_runner,
                             ResourceProvider* resource_provider,
                             int max_copy_texture_chromium_size,
-                            bool use_persistent_gpu_memory_buffers,
+                            bool use_partial_raster,
                             int max_staging_buffer_usage_in_bytes,
                             bool use_rgba_4444_texture_format);
 
  private:
   struct StagingBuffer {
     StagingBuffer(const gfx::Size& size, ResourceFormat format);
     ~StagingBuffer();
 
     void DestroyGLResources(gpu::gles2::GLES2Interface* gl);
     void OnMemoryDump(base::trace_event::ProcessMemoryDump* pmd,
@@ skipping 27 matching lines @@
       const;
   void StagingStateAsValueInto(
       base::trace_event::TracedValue* staging_state) const;
 
   scoped_refptr<base::SequencedTaskRunner> task_runner_;
   TaskGraphRunner* task_graph_runner_;
   const NamespaceToken namespace_token_;
   TileTaskRunnerClient* client_;
   ResourceProvider* const resource_provider_;
   const int max_bytes_per_copy_operation_;
-  const bool use_persistent_gpu_memory_buffers_;
+  const bool use_partial_raster_;
   TaskSetCollection tasks_pending_;
   scoped_refptr<TileTask> task_set_finished_tasks_[kNumberOfTaskSets];
 
   // Task graph used when scheduling tasks and vector used to gather
   // completed tasks.
   TaskGraph graph_;
   Task::Vector completed_tasks_;
 
   mutable base::Lock lock_;
   // |lock_| must be acquired when accessing the following members.
@@ skipping 16 matching lines @@
   // canceled when ScheduleTasks() is called.
   base::WeakPtrFactory<OneCopyTileTaskWorkerPool>
       task_set_finished_weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(OneCopyTileTaskWorkerPool);
 };
 
 }  // namespace cc
 
 #endif  // CC_RASTER_ONE_COPY_TILE_TASK_WORKER_POOL_H_