Move the Mac Task Manager to the new backend code.

chrome/browser/task_manager/extension_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/extension_information.h"
-
-#include <stddef.h>
-
-#include "base/macros.h"
-#include "base/strings/string16.h"
-#include "base/strings/utf_string_conversions.h"
-#include "chrome/browser/browser_process.h"
-#include "chrome/browser/profiles/profile.h"
-#include "chrome/browser/profiles/profile_manager.h"
-#include "chrome/browser/task_manager/renderer_resource.h"
-#include "chrome/browser/task_manager/task_manager_util.h"
-#include "components/guest_view/browser/guest_view_base.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/web_contents.h"
-#include "extensions/browser/process_manager.h"
-#include "extensions/browser/view_type_utils.h"
-#include "extensions/common/extension.h"
-#include "grit/theme_resources.h"
-#include "ui/base/l10n/l10n_util.h"
-#include "ui/base/resource/resource_bundle.h"
-#include "ui/gfx/image/image_skia.h"
-
-using content::WebContents;
-using extensions::Extension;
-
-namespace {
-
-const Extension* GetExtensionForWebContents(WebContents* web_contents) {
-  return extensions::ProcessManager::Get(web_contents->GetBrowserContext())
-      ->GetExtensionForWebContents(web_contents);
-}
-
-}  // namespace
-
-namespace task_manager {
-
-class ExtensionProcessResource : public RendererResource {
- public:
-  explicit ExtensionProcessResource(const Extension* extension,
-                                    content::RenderViewHost* render_view_host);
-  ~ExtensionProcessResource() override;
-
-  // Resource methods:
-  base::string16 GetTitle() const override;
-  gfx::ImageSkia GetIcon() const override;
-  Type GetType() const override;
-
- private:
-  // Returns true if the associated extension has a background page.
-  bool IsBackground() const;
-
-  // The icon painted for the extension process.
-  static gfx::ImageSkia* default_icon_;
-
-  // Cached data about the extension.
-  base::string16 title_;
-
-  DISALLOW_COPY_AND_ASSIGN(ExtensionProcessResource);
-};
-
-gfx::ImageSkia* ExtensionProcessResource::default_icon_ = NULL;
-
-ExtensionProcessResource::ExtensionProcessResource(
-    const Extension* extension,
-    content::RenderViewHost* render_view_host)
-    : RendererResource(render_view_host->GetProcess()->GetHandle(),
-                       render_view_host) {
-  if (!default_icon_) {
-    ResourceBundle& rb = ResourceBundle::GetSharedInstance();
-    default_icon_ = rb.GetImageSkiaNamed(IDR_PLUGINS_FAVICON);
-  }
-  base::string16 extension_name = base::UTF8ToUTF16(extension->name());
-  DCHECK(!extension_name.empty());
-
-  Profile* profile = Profile::FromBrowserContext(
-      render_view_host->GetProcess()->GetBrowserContext());
-  int message_id = util::GetMessagePrefixID(extension->is_app(),
-                                            true,  // is_extension
-                                            profile->IsOffTheRecord(),
-                                            false,  // is_prerender
-                                            IsBackground());
-  title_ = l10n_util::GetStringFUTF16(message_id, extension_name);
-}
-
-ExtensionProcessResource::~ExtensionProcessResource() {}
-
-base::string16 ExtensionProcessResource::GetTitle() const { return title_; }
-
-gfx::ImageSkia ExtensionProcessResource::GetIcon() const {
-  return *default_icon_;
-}
-
-Resource::Type ExtensionProcessResource::GetType() const { return EXTENSION; }
-
-bool ExtensionProcessResource::IsBackground() const {
-  WebContents* web_contents =
-      WebContents::FromRenderViewHost(render_view_host());
-  extensions::ViewType view_type = extensions::GetViewType(web_contents);
-  return view_type == extensions::VIEW_TYPE_EXTENSION_BACKGROUND_PAGE;
-}
-
-////////////////////////////////////////////////////////////////////////////////
-// ExtensionInformation class
-////////////////////////////////////////////////////////////////////////////////
-
-ExtensionInformation::ExtensionInformation() {}
-
-ExtensionInformation::~ExtensionInformation() {}
-
-void ExtensionInformation::GetAll(const NewWebContentsCallback& callback) {
-  // Add all the existing extension views from all Profiles, including those
-  // from incognito split mode.
-  ProfileManager* profile_manager = g_browser_process->profile_manager();
-  std::vector<Profile*> profiles(profile_manager->GetLoadedProfiles());
-  size_t num_default_profiles = profiles.size();
-  for (size_t i = 0; i < num_default_profiles; ++i) {
-    if (profiles[i]->HasOffTheRecordProfile()) {
-      profiles.push_back(profiles[i]->GetOffTheRecordProfile());
-    }
-  }
-
-  for (size_t i = 0; i < profiles.size(); ++i) {
-    const extensions::ProcessManager::FrameSet all_frames =
-        extensions::ProcessManager::Get(profiles[i])->GetAllFrames();
-    for (content::RenderFrameHost* host : all_frames) {
-      WebContents* web_contents = WebContents::FromRenderFrameHost(host);
-      if (CheckOwnership(web_contents))
-        callback.Run(web_contents);
-    }
-  }
-}
-
-bool ExtensionInformation::CheckOwnership(WebContents* web_contents) {
-  // Don't add WebContents that belong to a guest (those are handled by
-  // GuestInformation). Otherwise they will be added twice.
-  if (guest_view::GuestViewBase::IsGuest(web_contents))
-    return false;
-
-  // Extension WebContents tracked by this class will always host extension
-  // content.
-  if (!GetExtensionForWebContents(web_contents))
-    return false;
-
-  extensions::ViewType view_type = extensions::GetViewType(web_contents);
-
-  // Don't add tab contents (those are handled by TabContentsResourceProvider)
-  // or background contents (handled by BackgroundInformation) or panels
-  // (handled by PanelInformation)
-  return (view_type != extensions::VIEW_TYPE_INVALID &&
-          view_type != extensions::VIEW_TYPE_TAB_CONTENTS &&
-          view_type != extensions::VIEW_TYPE_BACKGROUND_CONTENTS &&
-          view_type != extensions::VIEW_TYPE_PANEL);
-}
-
-std::unique_ptr<RendererResource> ExtensionInformation::MakeResource(
-    WebContents* web_contents) {
-  const Extension* extension = GetExtensionForWebContents(web_contents);
-  if (!extension) {
-    NOTREACHED();
-    return std::unique_ptr<RendererResource>();
-  }
-  return std::unique_ptr<RendererResource>(new ExtensionProcessResource(
-      extension, web_contents->GetRenderViewHost()));
-}
-
-}  // namespace task_manager