Instant: Use only one hidden WebContents per profile.

chrome/browser/task_manager/task_manager_resource_providers.h

 // Copyright (c) 2012 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.
 
 #ifndef CHROME_BROWSER_TASK_MANAGER_TASK_MANAGER_RESOURCE_PROVIDERS_H_
 #define CHROME_BROWSER_TASK_MANAGER_TASK_MANAGER_RESOURCE_PROVIDERS_H_
 
 #include <map>
 #include <vector>
 
@@ skipping 87 matching lines @@
   bool pending_fps_update_;
 
   // We do a similar dance to gather the V8 memory usage in a process.
   size_t v8_memory_allocated_;
   size_t v8_memory_used_;
   bool pending_v8_memory_allocated_update_;
 
   DISALLOW_COPY_AND_ASSIGN(TaskManagerRendererResource);
 };
 
-// Tracks a single tab contents, prerendered page, instant page, or background
+// Tracks a single tab contents, prerendered page, Instant page, or background
 // printing page.
 class TaskManagerTabContentsResource : public TaskManagerRendererResource {
  public:
   explicit TaskManagerTabContentsResource(content::WebContents* web_contents);
   virtual ~TaskManagerTabContentsResource();
 
   // Called when the underlying web_contents has been committed and is no
-  // longer an Instant preview.
+  // longer an Instant overlay.
   void InstantCommitted();
 
   // 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:
   // Returns true if contains content rendered by an extension.
   bool HostsExtension() const;
 
   static gfx::ImageSkia* prerender_icon_;
   content::WebContents* web_contents_;
   Profile* profile_;
-  bool is_instant_preview_;
+  bool is_instant_overlay_;
 
   DISALLOW_COPY_AND_ASSIGN(TaskManagerTabContentsResource);
 };
 
-// Provides resources for tab contents, prerendered pages, instant pages, and
+// Provides resources for tab contents, prerendered pages, Instant pages, and
 // background printing pages.
 class TaskManagerTabContentsResourceProvider
     : public TaskManager::ResourceProvider,
       public content::NotificationObserver {
  public:
   explicit TaskManagerTabContentsResourceProvider(TaskManager* task_manager);
 
   virtual TaskManager::Resource* GetResource(int origin_pid,
                                              int render_process_host_id,
                                              int routing_id) OVERRIDE;
@@ skipping 467 matching lines @@
 
  private:
   virtual ~TaskManagerBrowserProcessResourceProvider();
 
   TaskManager* task_manager_;
   TaskManagerBrowserProcessResource resource_;
 
   DISALLOW_COPY_AND_ASSIGN(TaskManagerBrowserProcessResourceProvider);
 };
 
-
 class TaskManagerGuestResource : public TaskManagerRendererResource {
  public:
   explicit TaskManagerGuestResource(content::RenderViewHost* render_view_host);
   virtual ~TaskManagerGuestResource();
 
   // TaskManager::Resource methods:
   virtual Type GetType() const OVERRIDE;
   virtual string16 GetTitle() const OVERRIDE;
   virtual string16 GetProfileName() const OVERRIDE;
   virtual gfx::ImageSkia GetIcon() const OVERRIDE;
@@ skipping 38 matching lines @@
       TaskManagerGuestResource*> GuestResourceMap;
   GuestResourceMap resources_;
 
   // A scoped container for notification registries.
   content::NotificationRegistrar registrar_;
 
   DISALLOW_COPY_AND_ASSIGN(TaskManagerGuestResourceProvider);
 };
 
 #endif  // CHROME_BROWSER_TASK_MANAGER_TASK_MANAGER_RESOURCE_PROVIDERS_H_