Create task_manager namespace and wrap classes related to TaskManager with it.

chrome/browser/task_manager/task_manager_render_resource.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 "chrome/browser/task_manager/task_manager_render_resource.h"
-
-#include "base/basictypes.h"
-#include "chrome/browser/devtools/devtools_window.h"
-#include "chrome/browser/task_manager/task_manager.h"
-#include "chrome/common/render_messages.h"
-#include "content/public/browser/render_process_host.h"
-#include "content/public/browser/render_view_host.h"
-
-////////////////////////////////////////////////////////////////////////////////
-// TaskManagerRendererResource class
-////////////////////////////////////////////////////////////////////////////////
-TaskManagerRendererResource::TaskManagerRendererResource(
-    base::ProcessHandle process, content::RenderViewHost* render_view_host)
-    : content::RenderViewHostObserver(render_view_host),
-      process_(process),
-      render_view_host_(render_view_host),
-      pending_stats_update_(false),
-      fps_(0.0f),
-      pending_fps_update_(false),
-      v8_memory_allocated_(0),
-      v8_memory_used_(0),
-      pending_v8_memory_allocated_update_(false) {
-  // We cache the process and pid as when a Tab/BackgroundContents is closed the
-  // process reference becomes NULL and the TaskManager still needs it.
-  pid_ = base::GetProcId(process_);
-  unique_process_id_ = render_view_host_->GetProcess()->GetID();
-  memset(&stats_, 0, sizeof(stats_));
-}
-
-TaskManagerRendererResource::~TaskManagerRendererResource() {
-}
-
-void TaskManagerRendererResource::Refresh() {
-  if (!pending_stats_update_) {
-    render_view_host_->Send(new ChromeViewMsg_GetCacheResourceStats);
-    pending_stats_update_ = true;
-  }
-  if (!pending_fps_update_) {
-    render_view_host_->Send(
-        new ChromeViewMsg_GetFPS(render_view_host_->GetRoutingID()));
-    pending_fps_update_ = true;
-  }
-  if (!pending_v8_memory_allocated_update_) {
-    render_view_host_->Send(new ChromeViewMsg_GetV8HeapStats);
-    pending_v8_memory_allocated_update_ = true;
-  }
-}
-
-WebKit::WebCache::ResourceTypeStats
-TaskManagerRendererResource::GetWebCoreCacheStats() const {
-  return stats_;
-}
-
-float TaskManagerRendererResource::GetFPS() const {
-  return fps_;
-}
-
-size_t TaskManagerRendererResource::GetV8MemoryAllocated() const {
-  return v8_memory_allocated_;
-}
-
-size_t TaskManagerRendererResource::GetV8MemoryUsed() const {
-  return v8_memory_used_;
-}
-
-void TaskManagerRendererResource::NotifyResourceTypeStats(
-    const WebKit::WebCache::ResourceTypeStats& stats) {
-  stats_ = stats;
-  pending_stats_update_ = false;
-}
-
-void TaskManagerRendererResource::NotifyFPS(float fps) {
-  fps_ = fps;
-  pending_fps_update_ = false;
-}
-
-void TaskManagerRendererResource::NotifyV8HeapStats(
-    size_t v8_memory_allocated, size_t v8_memory_used) {
-  v8_memory_allocated_ = v8_memory_allocated;
-  v8_memory_used_ = v8_memory_used;
-  pending_v8_memory_allocated_update_ = false;
-}
-
-base::ProcessHandle TaskManagerRendererResource::GetProcess() const {
-  return process_;
-}
-
-int TaskManagerRendererResource::GetUniqueChildProcessId() const {
-  return unique_process_id_;
-}
-
-TaskManager::Resource::Type TaskManagerRendererResource::GetType() const {
-  return RENDERER;
-}
-
-int TaskManagerRendererResource::GetRoutingID() const {
-  return render_view_host_->GetRoutingID();
-}
-
-bool TaskManagerRendererResource::ReportsCacheStats() const {
-  return true;
-}
-
-bool TaskManagerRendererResource::ReportsFPS() const {
-  return true;
-}
-
-bool TaskManagerRendererResource::ReportsV8MemoryStats() const {
-  return true;
-}
-
-bool TaskManagerRendererResource::CanInspect() const {
-  return true;
-}
-
-void TaskManagerRendererResource::Inspect() const {
-  DevToolsWindow::OpenDevToolsWindow(render_view_host_);
-}
-
-bool TaskManagerRendererResource::SupportNetworkUsage() const {
-  return true;
-}
-
-void TaskManagerRendererResource::RenderViewHostDestroyed(
-    content::RenderViewHost* render_view_host) {
-  // We should never get here.  We should get deleted first.
-  // Use this CHECK to help diagnose http://crbug.com/165138.
-  CHECK(false);
-}