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

chrome/browser/task_manager/guest_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_guest_resource_provider.h"
+#include "chrome/browser/task_manager/guest_resource_provider.h"
 
 #include "base/string16.h"
 #include "chrome/browser/favicon/favicon_tab_helper.h"
 #include "chrome/browser/profiles/profile.h"
-#include "chrome/browser/task_manager/task_manager_render_resource.h"
-#include "chrome/browser/task_manager/task_manager_resource_util.h"
+#include "chrome/browser/task_manager/renderer_resource.h"
+#include "chrome/browser/task_manager/task_manager_util.h"
 #include "chrome/common/chrome_notification_types.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/browser/render_process_host.h"
 #include "content/public/browser/render_view_host.h"
 #include "content/public/browser/site_instance.h"
 #include "content/public/browser/web_contents.h"
 #include "grit/generated_resources.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;
 
-class TaskManagerGuestResource : public TaskManagerRendererResource {
+namespace task_manager {
+
+class GuestResource : public RendererResource {
  public:
-  explicit TaskManagerGuestResource(content::RenderViewHost* render_view_host);
-  virtual ~TaskManagerGuestResource();
+  explicit GuestResource(content::RenderViewHost* render_view_host);
+  virtual ~GuestResource();
 
   // TaskManager::Resource methods:
   virtual Type GetType() const OVERRIDE;
   virtual string16 GetTitle() const OVERRIDE;
   virtual string16 GetProfileName() const OVERRIDE;
   virtual gfx::ImageSkia GetIcon() const OVERRIDE;
   virtual content::WebContents* GetWebContents() const OVERRIDE;
   virtual const extensions::Extension* GetExtension() const OVERRIDE;
 
  private:
-  DISALLOW_COPY_AND_ASSIGN(TaskManagerGuestResource);
+  DISALLOW_COPY_AND_ASSIGN(GuestResource);
 };
 
-TaskManagerGuestResource::TaskManagerGuestResource(
-    RenderViewHost* render_view_host)
-    : TaskManagerRendererResource(
+GuestResource::GuestResource(RenderViewHost* render_view_host)
+    : RendererResource(
           render_view_host->GetSiteInstance()->GetProcess()->GetHandle(),
           render_view_host) {
 }
 
-TaskManagerGuestResource::~TaskManagerGuestResource() {
+GuestResource::~GuestResource() {
 }
 
-TaskManager::Resource::Type TaskManagerGuestResource::GetType() const {
+TaskManager::Resource::Type GuestResource::GetType() const {
   return GUEST;
 }
 
-string16 TaskManagerGuestResource::GetTitle() const {
+string16 GuestResource::GetTitle() const {
   WebContents* web_contents = GetWebContents();
   const int message_id = IDS_TASK_MANAGER_WEBVIEW_TAG_PREFIX;
   if (web_contents) {
-    string16 title = TaskManagerResourceUtil::GetTitleFromWebContents(
-        web_contents);
+    string16 title = util::GetTitleFromWebContents(web_contents);
     return l10n_util::GetStringFUTF16(message_id, title);
   }
   return l10n_util::GetStringFUTF16(message_id, string16());
 }
 
-string16 TaskManagerGuestResource::GetProfileName() const {
+string16 GuestResource::GetProfileName() const {
   WebContents* web_contents = GetWebContents();
   if (web_contents) {
     Profile* profile = Profile::FromBrowserContext(
         web_contents->GetBrowserContext());
-    return TaskManagerResourceUtil::GetProfileNameFromInfoCache(profile);
+    return util::GetProfileNameFromInfoCache(profile);
   }
   return string16();
 }
 
-gfx::ImageSkia TaskManagerGuestResource::GetIcon() const {
+gfx::ImageSkia GuestResource::GetIcon() const {
   WebContents* web_contents = GetWebContents();
   if (web_contents && FaviconTabHelper::FromWebContents(web_contents)) {
     return FaviconTabHelper::FromWebContents(web_contents)->
         GetFavicon().AsImageSkia();
   }
   return gfx::ImageSkia();
 }
 
-WebContents* TaskManagerGuestResource::GetWebContents() const {
+WebContents* GuestResource::GetWebContents() const {
   return WebContents::FromRenderViewHost(render_view_host());
 }
 
-const Extension* TaskManagerGuestResource::GetExtension() const {
+const Extension* GuestResource::GetExtension() const {
   return NULL;
 }
 
-TaskManagerGuestResourceProvider::
-    TaskManagerGuestResourceProvider(TaskManager* task_manager)
+GuestResourceProvider::GuestResourceProvider(TaskManager* task_manager)
     :  updating_(false),
        task_manager_(task_manager) {
 }
 
-TaskManagerGuestResourceProvider::~TaskManagerGuestResourceProvider() {
+GuestResourceProvider::~GuestResourceProvider() {
 }
 
-TaskManager::Resource* TaskManagerGuestResourceProvider::GetResource(
+TaskManager::Resource* GuestResourceProvider::GetResource(
     int origin_pid,
     int render_process_host_id,
     int routing_id) {
   // If an origin PID was specified then the request originated in a plugin
   // working on the WebContents's behalf, so ignore it.
   if (origin_pid)
     return NULL;
 
   for (GuestResourceMap::iterator i = resources_.begin();
        i != resources_.end(); ++i) {
     WebContents* contents = WebContents::FromRenderViewHost(i->first);
     if (contents &&
         contents->GetRenderProcessHost()->GetID() == render_process_host_id &&
         contents->GetRenderViewHost()->GetRoutingID() == routing_id) {
       return i->second;
     }
   }
 
   return NULL;
 }
 
-void TaskManagerGuestResourceProvider::StartUpdating() {
+void GuestResourceProvider::StartUpdating() {
   DCHECK(!updating_);
   updating_ = true;
 
   // Add all the existing guest WebContents.
   for (RenderProcessHost::iterator i(
            RenderProcessHost::AllHostsIterator());
        !i.IsAtEnd(); i.Advance()) {
     RenderProcessHost::RenderWidgetHostsIterator iter =
         i.GetCurrentValue()->GetRenderWidgetHostsIterator();
     for (; !iter.IsAtEnd(); iter.Advance()) {
       const RenderWidgetHost* widget = iter.GetCurrentValue();
       if (widget->IsRenderView()) {
         RenderViewHost* rvh =
             RenderViewHost::From(const_cast<RenderWidgetHost*>(widget));
         if (rvh->IsSubframe())
           Add(rvh);
       }
     }
   }
 
   // Then we register for notifications to get new guests.
   registrar_.Add(this, content::NOTIFICATION_WEB_CONTENTS_CONNECTED,
       content::NotificationService::AllBrowserContextsAndSources());
   registrar_.Add(this, content::NOTIFICATION_WEB_CONTENTS_DISCONNECTED,
       content::NotificationService::AllBrowserContextsAndSources());
 }
 
-void TaskManagerGuestResourceProvider::StopUpdating() {
+void GuestResourceProvider::StopUpdating() {
   DCHECK(updating_);
   updating_ = false;
 
   // Unregister for notifications.
   registrar_.Remove(this, content::NOTIFICATION_WEB_CONTENTS_CONNECTED,
       content::NotificationService::AllBrowserContextsAndSources());
   registrar_.Remove(this, content::NOTIFICATION_WEB_CONTENTS_DISCONNECTED,
       content::NotificationService::AllBrowserContextsAndSources());
 
   // Delete all the resources.
   STLDeleteContainerPairSecondPointers(resources_.begin(), resources_.end());
 
   resources_.clear();
 }
 
-void TaskManagerGuestResourceProvider::Add(
-    RenderViewHost* render_view_host) {
-  TaskManagerGuestResource* resource =
-      new TaskManagerGuestResource(render_view_host);
+void GuestResourceProvider::Add(RenderViewHost* render_view_host) {
+  GuestResource* resource = new GuestResource(render_view_host);
   resources_[render_view_host] = resource;
   task_manager_->AddResource(resource);
 }
 
-void TaskManagerGuestResourceProvider::Remove(
-    RenderViewHost* render_view_host) {
+void GuestResourceProvider::Remove(RenderViewHost* render_view_host) {
   if (!updating_)
     return;
 
   GuestResourceMap::iterator iter = resources_.find(render_view_host);
   if (iter == resources_.end())
     return;
 
-  TaskManagerGuestResource* resource = iter->second;
+  GuestResource* resource = iter->second;
   task_manager_->RemoveResource(resource);
   resources_.erase(iter);
   delete resource;
 }
 
-void TaskManagerGuestResourceProvider::Observe(int type,
+void GuestResourceProvider::Observe(int type,
     const content::NotificationSource& source,
     const content::NotificationDetails& details) {
   WebContents* web_contents = content::Source<WebContents>(source).ptr();
   if (!web_contents || !web_contents->GetRenderViewHost()->IsSubframe())
     return;
 
   switch (type) {
     case content::NOTIFICATION_WEB_CONTENTS_CONNECTED:
       Add(web_contents->GetRenderViewHost());
       break;
     case content::NOTIFICATION_WEB_CONTENTS_DISCONNECTED:
       Remove(web_contents->GetRenderViewHost());
       break;
     default:
       NOTREACHED() << "Unexpected notification.";
   }
 }
+
+}  // namespace task_manager