cc: Refactor TileTaskWorkerPool.

cc/raster/bitmap_tile_task_worker_pool.cc

Index: cc/raster/bitmap_tile_task_worker_pool.cc
diff --git a/cc/raster/bitmap_tile_task_worker_pool.cc b/cc/raster/bitmap_tile_task_worker_pool.cc
deleted file mode 100644
index c08bdcd65b2d3d13bb2fe576e2aa490a7357e8c3..0000000000000000000000000000000000000000
--- a/cc/raster/bitmap_tile_task_worker_pool.cc
+++ /dev/null
@@ -1,148 +0,0 @@
-// 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.
-
-#include "cc/raster/bitmap_tile_task_worker_pool.h"
-
-#include <stddef.h>
-#include <stdint.h>
-
-#include <algorithm>
-
-#include "base/macros.h"
-#include "base/memory/ptr_util.h"
-#include "base/strings/stringprintf.h"
-#include "base/trace_event/trace_event.h"
-#include "base/trace_event/trace_event_argument.h"
-#include "cc/debug/traced_value.h"
-#include "cc/playback/raster_source.h"
-#include "cc/resources/platform_color.h"
-#include "cc/resources/resource.h"
-
-namespace cc {
-namespace {
-
-class RasterBufferImpl : public RasterBuffer {
- public:
-  RasterBufferImpl(ResourceProvider* resource_provider,
-                   const Resource* resource,
-                   uint64_t resource_content_id,
-                   uint64_t previous_content_id)
-      : lock_(resource_provider, resource->id()),
-        resource_(resource),
-        resource_has_previous_content_(
-            resource_content_id && resource_content_id == previous_content_id) {
-  }
-
-  // Overridden from RasterBuffer:
-  void Playback(
-      const RasterSource* raster_source,
-      const gfx::Rect& raster_full_rect,
-      const gfx::Rect& raster_dirty_rect,
-      uint64_t new_content_id,
-      float scale,
-      const RasterSource::PlaybackSettings& playback_settings) override {
-    gfx::Rect playback_rect = raster_full_rect;
-    if (resource_has_previous_content_) {
-      playback_rect.Intersect(raster_dirty_rect);
-    }
-    DCHECK(!playback_rect.IsEmpty())
-        << "Why are we rastering a tile that's not dirty?";
-
-    size_t stride = 0u;
-    TileTaskWorkerPool::PlaybackToMemory(
-        lock_.sk_bitmap().getPixels(), resource_->format(), resource_->size(),
-        stride, raster_source, raster_full_rect, playback_rect, scale,
-        playback_settings);
-  }
-
- private:
-  ResourceProvider::ScopedWriteLockSoftware lock_;
-  const Resource* resource_;
-  bool resource_has_previous_content_;
-
-  DISALLOW_COPY_AND_ASSIGN(RasterBufferImpl);
-};
-
-}  // namespace
-
-// static
-std::unique_ptr<TileTaskWorkerPool> BitmapTileTaskWorkerPool::Create(
-    base::SequencedTaskRunner* task_runner,
-    TaskGraphRunner* task_graph_runner,
-    ResourceProvider* resource_provider) {
-  return base::WrapUnique<TileTaskWorkerPool>(new BitmapTileTaskWorkerPool(
-      task_runner, task_graph_runner, resource_provider));
-}
-
-BitmapTileTaskWorkerPool::BitmapTileTaskWorkerPool(
-    base::SequencedTaskRunner* task_runner,
-    TaskGraphRunner* task_graph_runner,
-    ResourceProvider* resource_provider)
-    : task_runner_(task_runner),
-      task_graph_runner_(task_graph_runner),
-      namespace_token_(task_graph_runner->GetNamespaceToken()),
-      resource_provider_(resource_provider) {}
-
-BitmapTileTaskWorkerPool::~BitmapTileTaskWorkerPool() {
-}
-
-void BitmapTileTaskWorkerPool::Shutdown() {
-  TRACE_EVENT0("cc", "BitmapTileTaskWorkerPool::Shutdown");
-
-  TaskGraph empty;
-  task_graph_runner_->ScheduleTasks(namespace_token_, &empty);
-  task_graph_runner_->WaitForTasksToFinishRunning(namespace_token_);
-}
-
-void BitmapTileTaskWorkerPool::ScheduleTasks(TaskGraph* graph) {
-  TRACE_EVENT0("cc", "BitmapTileTaskWorkerPool::ScheduleTasks");
-
-  ScheduleTasksOnOriginThread(this, graph);
-  task_graph_runner_->ScheduleTasks(namespace_token_, graph);
-}
-
-void BitmapTileTaskWorkerPool::CheckForCompletedTasks() {
-  TRACE_EVENT0("cc", "BitmapTileTaskWorkerPool::CheckForCompletedTasks");
-
-  task_graph_runner_->CollectCompletedTasks(namespace_token_,
-                                            &completed_tasks_);
-  for (Task::Vector::const_iterator it = completed_tasks_.begin();
-       it != completed_tasks_.end(); ++it) {
-    TileTask* task = static_cast<TileTask*>(it->get());
-
-    task->WillComplete();
-    task->CompleteOnOriginThread(this);
-    task->DidComplete();
-  }
-  completed_tasks_.clear();
-}
-
-ResourceFormat BitmapTileTaskWorkerPool::GetResourceFormat(
-    bool must_support_alpha) const {
-  return resource_provider_->best_texture_format();
-}
-
-bool BitmapTileTaskWorkerPool::GetResourceRequiresSwizzle(
-    bool must_support_alpha) const {
-  return ResourceFormatRequiresSwizzle(GetResourceFormat(must_support_alpha));
-}
-
-RasterBufferProvider* BitmapTileTaskWorkerPool::AsRasterBufferProvider() {
-  return this;
-}
-
-std::unique_ptr<RasterBuffer> BitmapTileTaskWorkerPool::AcquireBufferForRaster(
-    const Resource* resource,
-    uint64_t resource_content_id,
-    uint64_t previous_content_id) {
-  return std::unique_ptr<RasterBuffer>(new RasterBufferImpl(
-      resource_provider_, resource, resource_content_id, previous_content_id));
-}
-
-void BitmapTileTaskWorkerPool::ReleaseBufferForRaster(
-    std::unique_ptr<RasterBuffer> buffer) {
-  // Nothing to do here. RasterBufferImpl destructor cleans up after itself.
-}
-
-}  // namespace cc