cc: Partial tile update for one-copy raster.

cc/raster/pixel_buffer_tile_task_worker_pool.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/raster/pixel_buffer_tile_task_worker_pool.h"
 
 #include <algorithm>
 
 #include "base/containers/stack_container.h"
 #include "base/strings/stringprintf.h"
@@ skipping 18 matching lines @@
     resource_provider_->AcquirePixelBuffer(resource_->id());
     memory_ = resource_provider_->MapPixelBuffer(resource_->id(), &stride_);
   }
 
   ~RasterBufferImpl() override {
     resource_provider_->ReleasePixelBuffer(resource_->id());
   }
 
   // Overridden from RasterBuffer:
   void Playback(const RasterSource* raster_source,
-                const gfx::Rect& rect,
+                const gfx::Rect& raster_full_rect,
+                const gfx::Rect& raster_dirty_rect,
                 float scale) override {
     if (!memory_)
       return;
 
-    TileTaskWorkerPool::PlaybackToMemory(memory_, resource_->format(),
-                                         resource_->size(), stride_,
-                                         raster_source, rect, scale);
+    TileTaskWorkerPool::PlaybackToMemory(
+        memory_, resource_->format(), resource_->size(), stride_, raster_source,
+        raster_full_rect, raster_full_rect, scale);
   }
 
  private:
   ResourceProvider* resource_provider_;
   const Resource* resource_;
   uint8_t* memory_;
   int stride_;
 
   DISALLOW_COPY_AND_ASSIGN(RasterBufferImpl);
 };
@@ skipping 248 matching lines @@
     task->RunReplyOnOriginThread();
   }
   completed_raster_tasks_.clear();
 }
 
 ResourceFormat PixelBufferTileTaskWorkerPool::GetResourceFormat() {
   return resource_provider_->memory_efficient_texture_format();
 }
 
 scoped_ptr<RasterBuffer> PixelBufferTileTaskWorkerPool::AcquireBufferForRaster(
-    const Resource* resource) {
+    const Resource* resource,
+    uint64_t new_content_id,
+    uint64_t previous_content_id) {
   return make_scoped_ptr<RasterBuffer>(
       new RasterBufferImpl(resource_provider_, resource));
 }
 
 void PixelBufferTileTaskWorkerPool::ReleaseBufferForRaster(
     scoped_ptr<RasterBuffer> buffer) {
   // Nothing to do here. RasterBufferImpl destructor cleans up after itself.
 }
 
 void PixelBufferTileTaskWorkerPool::OnTaskSetFinished(TaskSet task_set) {
@@ skipping 395 matching lines @@
 void PixelBufferTileTaskWorkerPool::ThrottleStateAsValueInto(
     base::trace_event::TracedValue* throttle_state) const {
   throttle_state->SetInteger("bytes_available_for_upload",
                              max_bytes_pending_upload_ - bytes_pending_upload_);
   throttle_state->SetInteger("bytes_pending_upload", bytes_pending_upload_);
   throttle_state->SetInteger("scheduled_raster_task_count",
                              scheduled_raster_task_count_);
 }
 
 }  // namespace cc