Move the Mac Task Manager to the new backend code.

chrome/browser/task_manager/guest_information.cc

-// 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 "chrome/browser/task_manager/guest_information.h"
-
-#include "base/macros.h"
-#include "base/strings/string16.h"
-#include "chrome/browser/chrome_notification_types.h"
-#include "chrome/browser/profiles/profile.h"
-#include "chrome/browser/task_manager/renderer_resource.h"
-#include "chrome/browser/task_manager/resource_provider.h"
-#include "chrome/browser/task_manager/task_manager.h"
-#include "chrome/browser/task_manager/task_manager_util.h"
-#include "chrome/grit/generated_resources.h"
-#include "components/favicon/content/content_favicon_driver.h"
-#include "components/guest_view/browser/guest_view_base.h"
-#include "content/public/browser/notification_service.h"
-#include "content/public/browser/render_frame_host.h"
-#include "content/public/browser/render_process_host.h"
-#include "content/public/browser/render_view_host.h"
-#include "content/public/browser/render_widget_host.h"
-#include "content/public/browser/render_widget_host_iterator.h"
-#include "content/public/browser/site_instance.h"
-#include "content/public/browser/web_contents.h"
-#include "extensions/strings/grit/extensions_strings.h"
-#include "ui/base/l10n/l10n_util.h"
-#include "ui/gfx/image/image.h"
-#include "ui/gfx/image/image_skia.h"
-
-using content::RenderProcessHost;
-using content::RenderViewHost;
-using content::RenderWidgetHost;
-using content::WebContents;
-using extensions::Extension;
-using guest_view::GuestViewBase;
-
-namespace task_manager {
-
-class GuestResource : public RendererResource {
- public:
-  explicit GuestResource(content::RenderViewHost* render_view_host);
-  ~GuestResource() override;
-
-  // Resource methods:
-  Type GetType() const override;
-  base::string16 GetTitle() const override;
-  gfx::ImageSkia GetIcon() const override;
-  content::WebContents* GetWebContents() const override;
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(GuestResource);
-};
-
-GuestResource::GuestResource(RenderViewHost* render_view_host)
-    : RendererResource(
-          render_view_host->GetSiteInstance()->GetProcess()->GetHandle(),
-          render_view_host) {
-}
-
-GuestResource::~GuestResource() {
-}
-
-Resource::Type GuestResource::GetType() const {
-  return GUEST;
-}
-
-base::string16 GuestResource::GetTitle() const {
-  WebContents* web_contents = GetWebContents();
-  if (!web_contents) {
-    const int message_id = IDS_EXTENSION_TASK_MANAGER_WEBVIEW_TAG_PREFIX;
-    return l10n_util::GetStringFUTF16(message_id, base::string16());
-  }
-  GuestViewBase* guest = GuestViewBase::FromWebContents(web_contents);
-  return l10n_util::GetStringFUTF16(
-      guest->GetTaskPrefix(),
-      util::GetTitleFromWebContents(web_contents));
-}
-
-gfx::ImageSkia GuestResource::GetIcon() const {
-  WebContents* web_contents = GetWebContents();
-  if (web_contents) {
-    favicon::FaviconDriver* favicon_driver =
-        favicon::ContentFaviconDriver::FromWebContents(web_contents);
-    if (favicon_driver)
-      return favicon_driver->GetFavicon().AsImageSkia();
-  }
-  return gfx::ImageSkia();
-}
-
-WebContents* GuestResource::GetWebContents() const {
-  return WebContents::FromRenderViewHost(render_view_host());
-}
-
-////////////////////////////////////////////////////////////////////////////////
-// GuestInformation class
-////////////////////////////////////////////////////////////////////////////////
-
-GuestInformation::GuestInformation() {}
-
-GuestInformation::~GuestInformation() {}
-
-bool GuestInformation::CheckOwnership(WebContents* web_contents) {
-  // Guest WebContentses are created and owned internally by the content layer.
-  return GuestViewBase::IsGuest(web_contents);
-}
-
-void GuestInformation::GetAll(const NewWebContentsCallback& callback) {
-  std::unique_ptr<content::RenderWidgetHostIterator> widgets(
-      content::RenderWidgetHost::GetRenderWidgetHosts());
-  while (content::RenderWidgetHost* widget = widgets->GetNextHost()) {
-    content::RenderViewHost* rvh = content::RenderViewHost::From(widget);
-    WebContents* web_contents = WebContents::FromRenderViewHost(rvh);
-    if (web_contents && GuestViewBase::IsGuest(web_contents))
-      callback.Run(web_contents);
-  }
-}
-
-std::unique_ptr<RendererResource> GuestInformation::MakeResource(
-    WebContents* web_contents) {
-  return std::unique_ptr<RendererResource>(
-      new GuestResource(web_contents->GetRenderViewHost()));
-}
-
-}  // namespace task_manager