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

chrome/browser/task_manager/task_manager_browser_process_resource_provider.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_browser_process_resource_provider.h"
-
-#include "base/command_line.h"
-#include "base/string16.h"
-#include "chrome/common/chrome_switches.h"
-#include "grit/generated_resources.h"
-#include "grit/theme_resources.h"
-#include "net/proxy/proxy_resolver_v8.h"
-#include "third_party/sqlite/sqlite3.h"
-#include "ui/base/l10n/l10n_util.h"
-#include "ui/base/resource/resource_bundle.h"
-#include "ui/gfx/image/image_skia.h"
-
-#if defined(OS_MACOSX)
-#include "ui/gfx/image/image_skia_util_mac.h"
-#endif  // defined(OS_MACOSX)
-
-#if defined(OS_WIN)
-#include "chrome/browser/app_icon_win.h"
-#include "ui/gfx/icon_util.h"
-#endif  // defined(OS_WIN)
-
-////////////////////////////////////////////////////////////////////////////////
-// TaskManagerBrowserProcessResource class
-////////////////////////////////////////////////////////////////////////////////
-
-gfx::ImageSkia* TaskManagerBrowserProcessResource::default_icon_ = NULL;
-
-TaskManagerBrowserProcessResource::TaskManagerBrowserProcessResource()
-    : title_() {
-  int pid = base::GetCurrentProcId();
-  bool success = base::OpenPrivilegedProcessHandle(pid, &process_);
-  DCHECK(success);
-#if defined(OS_WIN)
-  if (!default_icon_) {
-    HICON icon = GetAppIcon();
-    if (icon) {
-      scoped_ptr<SkBitmap> bitmap(IconUtil::CreateSkBitmapFromHICON(icon));
-      default_icon_ = new gfx::ImageSkia(
-          gfx::ImageSkiaRep(*bitmap, ui::SCALE_FACTOR_100P));
-    }
-  }
-#elif defined(OS_POSIX) && !defined(OS_MACOSX)
-  if (!default_icon_) {
-    ResourceBundle& rb = ResourceBundle::GetSharedInstance();
-    default_icon_ = rb.GetImageSkiaNamed(IDR_PRODUCT_LOGO_16);
-  }
-#elif defined(OS_MACOSX)
-  if (!default_icon_) {
-    // IDR_PRODUCT_LOGO_16 doesn't quite look like chrome/mac's icns icon. Load
-    // the real app icon (requires a nsimage->image_skia->nsimage
-    // conversion :-().
-    default_icon_ = new gfx::ImageSkia(gfx::ApplicationIconAtSize(16));
-  }
-#else
-  // TODO(port): Port icon code.
-  NOTIMPLEMENTED();
-#endif  // defined(OS_WIN)
-  default_icon_->MakeThreadSafe();
-}
-
-TaskManagerBrowserProcessResource::~TaskManagerBrowserProcessResource() {
-  base::CloseProcessHandle(process_);
-}
-
-// TaskManagerResource methods:
-string16 TaskManagerBrowserProcessResource::GetTitle() const {
-  if (title_.empty()) {
-    title_ = l10n_util::GetStringUTF16(IDS_TASK_MANAGER_WEB_BROWSER_CELL_TEXT);
-  }
-  return title_;
-}
-
-string16 TaskManagerBrowserProcessResource::GetProfileName() const {
-  return string16();
-}
-
-gfx::ImageSkia TaskManagerBrowserProcessResource::GetIcon() const {
-  return *default_icon_;
-}
-
-size_t TaskManagerBrowserProcessResource::SqliteMemoryUsedBytes() const {
-  return static_cast<size_t>(sqlite3_memory_used());
-}
-
-base::ProcessHandle TaskManagerBrowserProcessResource::GetProcess() const {
-  return base::GetCurrentProcessHandle();  // process_;
-}
-
-int TaskManagerBrowserProcessResource::GetUniqueChildProcessId() const {
-  return 0;
-}
-
-TaskManager::Resource::Type TaskManagerBrowserProcessResource::GetType() const {
-  return BROWSER;
-}
-
-bool TaskManagerBrowserProcessResource::SupportNetworkUsage() const {
-  return true;
-}
-
-void TaskManagerBrowserProcessResource::SetSupportNetworkUsage() {
-  NOTREACHED();
-}
-
-bool TaskManagerBrowserProcessResource::ReportsSqliteMemoryUsed() const {
-  return true;
-}
-
-// BrowserProcess uses v8 for proxy resolver in certain cases.
-bool TaskManagerBrowserProcessResource::ReportsV8MemoryStats() const {
-  const CommandLine* command_line = CommandLine::ForCurrentProcess();
-  bool using_v8 = !command_line->HasSwitch(switches::kWinHttpProxyResolver);
-  if (using_v8 && command_line->HasSwitch(switches::kSingleProcess)) {
-    using_v8 = false;
-  }
-  return using_v8;
-}
-
-size_t TaskManagerBrowserProcessResource::GetV8MemoryAllocated() const {
-  return net::ProxyResolverV8::GetTotalHeapSize();
-}
-
-size_t TaskManagerBrowserProcessResource::GetV8MemoryUsed() const {
-  return net::ProxyResolverV8::GetUsedHeapSize();
-}
-
-////////////////////////////////////////////////////////////////////////////////
-// TaskManagerBrowserProcessResourceProvider class
-////////////////////////////////////////////////////////////////////////////////
-
-TaskManagerBrowserProcessResourceProvider::
-    TaskManagerBrowserProcessResourceProvider(TaskManager* task_manager)
-    : updating_(false),
-      task_manager_(task_manager) {
-}
-
-TaskManagerBrowserProcessResourceProvider::
-    ~TaskManagerBrowserProcessResourceProvider() {
-}
-
-TaskManager::Resource* TaskManagerBrowserProcessResourceProvider::GetResource(
-    int origin_pid,
-    int render_process_host_id,
-    int routing_id) {
-  if (origin_pid || render_process_host_id != -1) {
-    return NULL;
-  }
-
-  return &resource_;
-}
-
-void TaskManagerBrowserProcessResourceProvider::StartUpdating() {
-  task_manager_->AddResource(&resource_);
-}
-
-void TaskManagerBrowserProcessResourceProvider::StopUpdating() {
-}