Update from https://crrev.com/307664

cc/resources/tile_task_runner.h

Index: cc/resources/tile_task_runner.h
diff --git a/cc/resources/rasterizer.h b/cc/resources/tile_task_runner.h
similarity index 70%
rename from cc/resources/rasterizer.h
rename to cc/resources/tile_task_runner.h
index db84c2223eba9566a2b7e5218b3bef8762cceafe..1de0f4f54dad8bb387cb5e25698c2a6c12cb5e96 100644
--- a/cc/resources/rasterizer.h
+++ b/cc/resources/tile_task_runner.h
@@ -2,8 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef CC_RESOURCES_RASTERIZER_H_
-#define CC_RESOURCES_RASTERIZER_H_
+#ifndef CC_RESOURCES_TILE_TASK_RUNNER_H_
+#define CC_RESOURCES_TILE_TASK_RUNNER_H_
 
 #include <bitset>
 #include <vector>
@@ -18,22 +18,22 @@ class RasterTask;
 class Resource;
 class RasterBuffer;
 
-class CC_EXPORT RasterizerTaskClient {
+class CC_EXPORT TileTaskClient {
  public:
   virtual scoped_ptr<RasterBuffer> AcquireBufferForRaster(
       const Resource* resource) = 0;
   virtual void ReleaseBufferForRaster(scoped_ptr<RasterBuffer> buffer) = 0;
 
  protected:
-  virtual ~RasterizerTaskClient() {}
+  virtual ~TileTaskClient() {}
 };
 
-class CC_EXPORT RasterizerTask : public Task {
+class CC_EXPORT TileTask : public Task {
  public:
-  typedef std::vector<scoped_refptr<RasterizerTask>> Vector;
+  typedef std::vector<scoped_refptr<TileTask>> Vector;
 
-  virtual void ScheduleOnOriginThread(RasterizerTaskClient* client) = 0;
-  virtual void CompleteOnOriginThread(RasterizerTaskClient* client) = 0;
+  virtual void ScheduleOnOriginThread(TileTaskClient* client) = 0;
+  virtual void CompleteOnOriginThread(TileTaskClient* client) = 0;
   virtual void RunReplyOnOriginThread() = 0;
 
   // Type-checking downcast routines.
@@ -49,18 +49,18 @@ class CC_EXPORT RasterizerTask : public Task {
   bool HasCompleted() const;
 
  protected:
-  RasterizerTask();
-  ~RasterizerTask() override;
+  TileTask();
+  ~TileTask() override;
 
   bool did_schedule_;
   bool did_complete_;
 };
 
-class CC_EXPORT ImageDecodeTask : public RasterizerTask {
+class CC_EXPORT ImageDecodeTask : public TileTask {
  public:
   typedef std::vector<scoped_refptr<ImageDecodeTask>> Vector;
 
-  // Overridden from RasterizerTask:
+  // Overridden from TileTask:
   ImageDecodeTask* AsImageDecodeTask() override;
 
  protected:
@@ -68,11 +68,11 @@ class CC_EXPORT ImageDecodeTask : public RasterizerTask {
   ~ImageDecodeTask() override;
 };
 
-class CC_EXPORT RasterTask : public RasterizerTask {
+class CC_EXPORT RasterTask : public TileTask {
  public:
   typedef std::vector<scoped_refptr<RasterTask>> Vector;
 
-  // Overridden from RasterizerTask:
+  // Overridden from TileTask:
   RasterTask* AsRasterTask() override;
 
   const Resource* resource() const { return resource_; }
@@ -95,16 +95,16 @@ static const size_t kNumberOfTaskSets = 3;
 typedef size_t TaskSet;
 typedef std::bitset<kNumberOfTaskSets> TaskSetCollection;
 
-class CC_EXPORT RasterizerClient {
+class CC_EXPORT TileTaskRunnerClient {
  public:
-  virtual void DidFinishRunningTasks(TaskSet task_set) = 0;
+  virtual void DidFinishRunningTileTasks(TaskSet task_set) = 0;
   virtual TaskSetCollection TasksThatShouldBeForcedToComplete() const = 0;
 
  protected:
-  virtual ~RasterizerClient() {}
+  virtual ~TileTaskRunnerClient() {}
 };
 
-struct CC_EXPORT RasterTaskQueue {
+struct CC_EXPORT TileTaskQueue {
   struct CC_EXPORT Item {
     class TaskComparator {
      public:
@@ -125,44 +125,45 @@ struct CC_EXPORT RasterTaskQueue {
     TaskSetCollection task_sets;
   };
 
-  RasterTaskQueue();
-  ~RasterTaskQueue();
+  TileTaskQueue();
+  ~TileTaskQueue();
 
-  void Swap(RasterTaskQueue* other);
+  void Swap(TileTaskQueue* other);
   void Reset();
 
   Item::Vector items;
 };
 
-// This interface can be used to schedule and run raster tasks. The client will
+// This interface can be used to schedule and run tile tasks. The client will
 // be notified asynchronously when the set of tasks marked as "required for
-// activation" have finished running and when all scheduled tasks have finished
-// running. The client can call CheckForCompletedTasks() at any time to dispatch
+// activation" have finished running, when tasks marked "required for draw"
+// have finished running, and when all scheduled tasks have finished running.
+// The client can call CheckForCompletedTasks() at any time to dispatch
 // pending completion callbacks for all tasks that have finished running.
-class CC_EXPORT Rasterizer {
+class CC_EXPORT TileTaskRunner {
  public:
   // Set the client instance to be notified when finished running tasks.
-  virtual void SetClient(RasterizerClient* client) = 0;
+  virtual void SetClient(TileTaskRunnerClient* client) = 0;
 
   // Tells the worker pool to shutdown after canceling all previously scheduled
   // tasks. Reply callbacks are still guaranteed to run when
   // CheckForCompletedTasks() is called.
   virtual void Shutdown() = 0;
 
-  // Schedule running of raster tasks in |queue| and all dependencies.
+  // Schedule running of tile tasks in |queue| and all dependencies.
   // Previously scheduled tasks that are not in |queue| will be canceled unless
   // already running. Once scheduled, reply callbacks are guaranteed to run for
   // all tasks even if they later get canceled by another call to
   // ScheduleTasks().
-  virtual void ScheduleTasks(RasterTaskQueue* queue) = 0;
+  virtual void ScheduleTasks(TileTaskQueue* queue) = 0;
 
   // Check for completed tasks and dispatch reply callbacks.
   virtual void CheckForCompletedTasks() = 0;
 
  protected:
-  virtual ~Rasterizer() {}
+  virtual ~TileTaskRunner() {}
 };
 
 }  // namespace cc
 
-#endif  // CC_RESOURCES_RASTERIZER_H_
+#endif  // CC_RESOURCES_TILE_TASK_RUNNER_H_