Added UMA stats for extensions events on addListener.

chrome/browser/extensions/api/omnibox/omnibox_api.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/extensions/api/omnibox/omnibox_api.h"
 
 #include "base/json/json_writer.h"
 #include "base/lazy_instance.h"
 #include "base/metrics/histogram.h"
 #include "base/string16.h"
@@ skipping 10 matching lines @@
 #include "chrome/browser/search_engines/template_url_service_factory.h"
 #include "chrome/common/chrome_notification_types.h"
 #include "chrome/common/extensions/api/omnibox/omnibox_handler.h"
 #include "chrome/common/extensions/extension.h"
 #include "chrome/common/extensions/extension_manifest_constants.h"
 #include "chrome/common/extensions/manifest_handler.h"
 #include "content/public/browser/notification_details.h"
 #include "content/public/browser/notification_service.h"
 #include "ui/gfx/image/image.h"
 
-namespace events {
+namespace event_names {
 const char kOnInputStarted[] = "omnibox.onInputStarted";
 const char kOnInputChanged[] = "omnibox.onInputChanged";
 const char kOnInputEntered[] = "omnibox.onInputEntered";
 const char kOnInputCancelled[] = "omnibox.onInputCancelled";
-}  // namespace events
+}  // namespace event_names
 
 namespace extensions {
 
 namespace {
 
 const char kSuggestionContent[] = "content";
 const char kSuggestionDescription[] = "description";
 const char kSuggestionDescriptionStyles[] = "descriptionStyles";
 const char kSuggestionDescriptionStylesRaw[] = "descriptionStylesRaw";
 const char kDescriptionStylesType[] = "type";
@@ skipping 10 matching lines @@
 static const int kOmniboxIconPaddingLeft = 0;
 static const int kOmniboxIconPaddingRight = 0;
 #endif
 
 }  // namespace
 
 // static
 void ExtensionOmniboxEventRouter::OnInputStarted(
     Profile* profile, const std::string& extension_id) {
   scoped_ptr<Event> event(new Event(
-      events::kOnInputStarted, make_scoped_ptr(new ListValue())));
+      event_names::kOnInputStarted, make_scoped_ptr(new ListValue())));
   event->restrict_to_profile = profile;
   ExtensionSystem::Get(profile)->event_router()->
       DispatchEventToExtension(extension_id, event.Pass());
 }
 
 // static
 bool ExtensionOmniboxEventRouter::OnInputChanged(
     Profile* profile, const std::string& extension_id,
     const std::string& input, int suggest_id) {
   if (!extensions::ExtensionSystem::Get(profile)->event_router()->
-          ExtensionHasEventListener(extension_id, events::kOnInputChanged))
+          ExtensionHasEventListener(extension_id, event_names::kOnInputChanged))
     return false;
 
   scoped_ptr<ListValue> args(new ListValue());
   args->Set(0, Value::CreateStringValue(input));
   args->Set(1, Value::CreateIntegerValue(suggest_id));
 
-  scoped_ptr<Event> event(new Event(events::kOnInputChanged, args.Pass()));
+  scoped_ptr<Event> event(new Event(event_names::kOnInputChanged, args.Pass()));
   event->restrict_to_profile = profile;
   ExtensionSystem::Get(profile)->event_router()->
       DispatchEventToExtension(extension_id, event.Pass());
   return true;
 }
 
 // static
 void ExtensionOmniboxEventRouter::OnInputEntered(
     content::WebContents* web_contents,
     const std::string& extension_id,
     const std::string& input) {
   Profile* profile =
       Profile::FromBrowserContext(web_contents->GetBrowserContext());
 
   const Extension* extension =
       ExtensionSystem::Get(profile)->extension_service()->extensions()->
           GetByID(extension_id);
   CHECK(extension);
   extensions::TabHelper::FromWebContents(web_contents)->
       active_tab_permission_granter()->GrantIfRequested(extension);
 
   scoped_ptr<ListValue> args(new ListValue());
   args->Set(0, Value::CreateStringValue(input));
 
-  scoped_ptr<Event> event(new Event(events::kOnInputEntered, args.Pass()));
+  scoped_ptr<Event> event(new Event(event_names::kOnInputEntered, args.Pass()));
   event->restrict_to_profile = profile;
   ExtensionSystem::Get(profile)->event_router()->
       DispatchEventToExtension(extension_id, event.Pass());
 
   content::NotificationService::current()->Notify(
       chrome::NOTIFICATION_EXTENSION_OMNIBOX_INPUT_ENTERED,
       content::Source<Profile>(profile),
       content::NotificationService::NoDetails());
 }
 
 // static
 void ExtensionOmniboxEventRouter::OnInputCancelled(
     Profile* profile, const std::string& extension_id) {
   scoped_ptr<Event> event(new Event(
-      events::kOnInputCancelled, make_scoped_ptr(new ListValue())));
+      event_names::kOnInputCancelled, make_scoped_ptr(new ListValue())));
   event->restrict_to_profile = profile;
   ExtensionSystem::Get(profile)->event_router()->
       DispatchEventToExtension(extension_id, event.Pass());
 }
 
 OmniboxAPI::OmniboxAPI(Profile* profile)
     : profile_(profile),
       url_service_(TemplateURLServiceFactory::GetForProfile(profile)) {
   ManifestHandler::Register(extension_manifest_keys::kOmnibox,
                             make_linked_ptr(new OmniboxHandler));
@@ skipping 280 matching lines @@
     for (size_t i = 0; i < description_styles.size(); ++i) {
       if (description_styles[i].offset > placeholder)
         description_styles[i].offset += replacement.length() - 2;
     }
   }
 
   match->contents.assign(description);
 }
 
 }  // namespace extensions