Get rid of the last RenderViewHostDelegate usage in chrome.

chrome/browser/task_manager/task_manager.cc

 // 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.
 
 #include "chrome/browser/task_manager/task_manager.h"
 
 #include "base/bind.h"
 #include "base/compiler_specific.h"
 #include "base/i18n/number_formatting.h"
 #include "base/i18n/rtl.h"
@@ skipping 13 matching lines @@
 #include "chrome/browser/task_manager/task_manager_resource_providers.h"
 #include "chrome/browser/task_manager/task_manager_worker_resource_provider.h"
 #include "chrome/browser/ui/browser_navigator.h"
 #include "chrome/browser/ui/tab_contents/tab_contents_wrapper.h"
 #include "chrome/common/pref_names.h"
 #include "chrome/common/url_constants.h"
 #include "chrome/common/view_type.h"
 #include "content/public/browser/browser_child_process_host.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/render_view_host.h"
-#include "content/public/browser/render_view_host_delegate.h"
 #include "content/public/browser/resource_request_info.h"
 #include "content/public/browser/web_contents.h"
+#include "content/public/browser/web_contents_delegate.h"
 #include "content/public/common/result_codes.h"
 #include "grit/chromium_strings.h"
 #include "grit/generated_resources.h"
 #include "grit/ui_resources.h"
 #include "third_party/skia/include/core/SkBitmap.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/base/resource/resource_bundle.h"
 #include "ui/base/text/bytes_formatting.h"
 #include "unicode/coll.h"
 
 using content::BrowserThread;
 using content::OpenURLParams;
 using content::Referrer;
 using content::ResourceRequestInfo;
+using content::WebContents;
 
 namespace {
 
 // The delay between updates of the information (in ms).
 #if defined(OS_MACOSX)
 // Match Activity Monitor's default refresh rate.
 const int kUpdateTimeMs = 2000;
 #else
 const int kUpdateTimeMs = 1000;
 #endif
@@ skipping 1031 matching lines @@
     base::KillProcess(process, content::RESULT_CODE_KILLED, false);
 }
 
 void TaskManager::ActivateProcess(int index) {
   // GetResourceTabContents returns a pointer to the relevant tab contents for
   // the resource.  If the index doesn't correspond to a Tab (i.e. refers to
   // the Browser process or a plugin), GetTabContents will return NULL.
   TabContentsWrapper* chosen_tab_contents =
       model_->GetResourceTabContents(index);
   if (chosen_tab_contents) {
-    chosen_tab_contents->web_contents()->GetRenderViewHost()->GetDelegate()->
-        Activate();
+    WebContents* web_contents = chosen_tab_contents->web_contents();
+    web_contents->GetDelegate()->ActivateContents(web_contents);
   }
 }
 
 void TaskManager::AddResource(Resource* resource) {
   model_->AddResource(resource);
 }
 
 void TaskManager::RemoveResource(Resource* resource) {
   model_->RemoveResource(resource);
 }
@@ skipping 74 matching lines @@
     // Count the number of extensions with background pages (including
     // incognito).
     count += CountExtensionBackgroundPagesForProfile(profile);
     if (profile->HasOffTheRecordProfile()) {
       count += CountExtensionBackgroundPagesForProfile(
           profile->GetOffTheRecordProfile());
     }
   }
   return count;
 }