Add UMA for register protocol handler.

chrome/browser/tab_contents/render_view_context_menu.cc

 // Copyright (c) 2011 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 <algorithm>
 #include <set>
 
 #include "chrome/browser/tab_contents/render_view_context_menu.h"
 
 #include "base/command_line.h"
@@ skipping 1338 matching lines @@
     return;
   }
 
   if (id >= IDC_CONTENT_CONTEXT_PROTOCOL_HANDLER_FIRST &&
       id <= IDC_CONTENT_CONTEXT_PROTOCOL_HANDLER_LAST) {
     ProtocolHandlerRegistry::ProtocolHandlerList handlers =
         GetHandlersForLinkUrl();
     if (handlers.empty()) {
       return;
     }
+    UserMetrics::RecordAction(UserMetricsAction(
+        "RegisterProtocolHandler.ContextMenu_Open"));
     int handlerIndex = id - IDC_CONTENT_CONTEXT_PROTOCOL_HANDLER_FIRST;
     OpenURL(
         handlers[handlerIndex].TranslateUrl(params_.link_url),
         params_.frame_url.is_empty() ? params_.page_url : params_.frame_url,
         params_.frame_id,
         NEW_FOREGROUND_TAB,
         PageTransition::LINK);
     return;
   }
 
@@ skipping 302 matching lines @@
         dir = WebKit::WebTextDirectionRightToLeft;
       rvh->UpdateTextDirection(dir);
       rvh->NotifyTextDirection();
       break;
     }
     case IDC_CONTENT_CONTEXT_LOOK_UP_IN_DICTIONARY:
       LookUpInDictionary();
       break;
 #endif  // OS_MACOSX
     case IDC_CONTENT_CONTEXT_PROTOCOL_HANDLER_SETTINGS: {
+      UserMetrics::RecordAction(UserMetricsAction(
+          "RegisterProtocolHandler.ContextMenu_Settings"));
       std::string url = std::string(chrome::kChromeUISettingsURL) +
           chrome::kHandlerSettingsSubPage;
       OpenURL(GURL(url), GURL(), 0, NEW_FOREGROUND_TAB, PageTransition::LINK);
       break;
     }
 
     case IDC_CONTENT_CONTEXT_ADDSEARCHENGINE: {
       // Make sure the model is loaded.
       TemplateURLService* model =
           TemplateURLServiceFactory::GetForProfile(profile_);
@@ skipping 141 matching lines @@
       g_browser_process->clipboard());
 }
 
 void RenderViewContextMenu::MediaPlayerActionAt(
     const gfx::Point& location,
     const WebMediaPlayerAction& action) {
   RenderViewHost* rvh = source_tab_contents_->render_view_host();
   rvh->Send(new ViewMsg_MediaPlayerActionAt(
       rvh->routing_id(), location, action));
 }