Refactoring for merging ManagedTileState into Tile.

cc/resources/managed_tile_state.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/resources/managed_tile_state.h"
-
-#include <limits>
-#include <string>
-
-#include "base/debug/trace_event_argument.h"
-#include "cc/base/math_util.h"
-
-namespace cc {
-
-ManagedTileState::ManagedTileState()
-    : resolution(NON_IDEAL_RESOLUTION),
-      priority_bin(TilePriority::EVENTUALLY),
-      scheduled_priority(0) {
-}
-
-ManagedTileState::DrawInfo::DrawInfo()
-    : mode_(RESOURCE_MODE), solid_color_(SK_ColorWHITE) {
-}
-
-ManagedTileState::DrawInfo::~DrawInfo() {
-  DCHECK(!resource_);
-}
-
-bool ManagedTileState::DrawInfo::IsReadyToDraw() const {
-  switch (mode_) {
-    case RESOURCE_MODE:
-      return !!resource_;
-    case SOLID_COLOR_MODE:
-    case PICTURE_PILE_MODE:
-      return true;
-  }
-  NOTREACHED();
-  return false;
-}
-
-ManagedTileState::~ManagedTileState() {}
-
-void ManagedTileState::AsValueInto(base::debug::TracedValue* state) const {
-  bool has_resource = (draw_info.resource_.get() != 0);
-  bool has_active_task = (raster_task.get() != 0);
-
-  bool is_using_gpu_memory = has_resource || has_active_task;
-
-  state->SetBoolean("has_resource", has_resource);
-  state->SetBoolean("is_using_gpu_memory", is_using_gpu_memory);
-  state->SetString("resolution", TileResolutionToString(resolution));
-  state->SetString("priority_bin", TilePriorityBinToString(priority_bin));
-  state->SetBoolean("is_solid_color",
-                    draw_info.mode_ == DrawInfo::SOLID_COLOR_MODE);
-  state->SetBoolean("is_transparent",
-                    draw_info.mode_ == DrawInfo::SOLID_COLOR_MODE &&
-                        !SkColorGetA(draw_info.solid_color_));
-  state->SetInteger("scheduled_priority", scheduled_priority);
-}
-
-}  // namespace cc