Add runtime.onBrowserUpdateAvailable event.

BUG=177029
TEST=manually verified on device that event is received
when a new image is available on my dev update server.

Review URL: https://chromiumcodereview.appspot.com/12316006

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@184531 0039d316-1c4b-4281-b951-d872f2087c98

4 files changed, 33 insertions, 0 deletions

diff --git a/chrome/browser/extensions/api/runtime/runtime_api.cc b/chrome/browser/extensions/api/runtime/runtime_api.cc
index 4629804..328ef22 100644
--- a/chrome/browser/extensions/api/runtime/runtime_api.cc
+++ b/chrome/browser/extensions/api/runtime/runtime_api.cc
@@ -24,6 +24,8 @@ namespace {
 const char kOnStartupEvent[] = "runtime.onStartup";
 const char kOnInstalledEvent[] = "runtime.onInstalled";
 const char kOnUpdateAvailableEvent[] = "runtime.onUpdateAvailable";
+const char kOnBrowserUpdateAvailableEvent[] =
+    "runtime.onBrowserUpdateAvailable";
 const char kNoBackgroundPageError[] = "You do not have a background page.";
 const char kPageLoadError[] = "Background page failed to load.";
 const char kInstallReason[] = "reason";
@@ -131,6 +133,20 @@ void RuntimeEventRouter::DispatchOnUpdateAvailableEvent(
   system->event_router()->DispatchEventToExtension(extension_id, event.Pass());
 }
 
+// static
+void RuntimeEventRouter::DispatchOnBrowserUpdateAvailableEvent(
+    Profile* profile) {
+  ExtensionSystem* system = ExtensionSystem::Get(profile);
+  if (!system)
+    return;
+
+  scoped_ptr<ListValue> args(new ListValue);
+  DCHECK(system->event_router());
+  scoped_ptr<Event> event(new Event(kOnBrowserUpdateAvailableEvent,
+                                    args.Pass()));
+  system->event_router()->BroadcastEvent(event.Pass());
+}
+
 bool RuntimeGetBackgroundPageFunction::RunImpl() {
   ExtensionSystem* system = ExtensionSystem::Get(profile());
   ExtensionHost* host = system->process_manager()->
diff --git a/chrome/browser/extensions/api/runtime/runtime_api.h b/chrome/browser/extensions/api/runtime/runtime_api.h
index 23b3b2f..d118386 100644
--- a/chrome/browser/extensions/api/runtime/runtime_api.h
+++ b/chrome/browser/extensions/api/runtime/runtime_api.h
@@ -31,6 +31,9 @@ class RuntimeEventRouter {
       Profile* profile,
       const std::string& extension_id,
       const base::DictionaryValue* manifest);
+
+  // Dispatches the onBrowserUpdateAvailable event to all extensions.
+  static void DispatchOnBrowserUpdateAvailableEvent(Profile* profile);
 };
 
 class RuntimeGetBackgroundPageFunction : public AsyncExtensionFunction {
diff --git a/chrome/browser/extensions/extension_service.cc b/chrome/browser/extensions/extension_service.cc
index f4f7997..9b52fc3 100644
--- a/chrome/browser/extensions/extension_service.cc
+++ b/chrome/browser/extensions/extension_service.cc
@@ -379,6 +379,8 @@ ExtensionService::ExtensionService(Profile* profile,
                  content::NotificationService::AllBrowserContextsAndSources());
   registrar_.Add(this, chrome::NOTIFICATION_EXTENSION_HOST_DESTROYED,
                  content::NotificationService::AllBrowserContextsAndSources());
+  registrar_.Add(this, chrome::NOTIFICATION_UPGRADE_RECOMMENDED,
+                 content::NotificationService::AllBrowserContextsAndSources());
   pref_change_registrar_.Init(profile->GetPrefs());
   base::Closure callback =
       base::Bind(&ExtensionService::OnExtensionInstallPrefChanged,
@@ -2748,6 +2750,12 @@ void ExtensionService::Observe(int type,
       }
       break;
     }
+    case chrome::NOTIFICATION_UPGRADE_RECOMMENDED: {
+      // Notify extensions that chrome update is available.
+      extensions::RuntimeEventRouter::DispatchOnBrowserUpdateAvailableEvent(
+          profile_);
+      break;
+    }
 
     default:
       NOTREACHED() << "Unexpected notification type.";
diff --git a/chrome/common/extensions/api/runtime.json b/chrome/common/extensions/api/runtime.json
index a35ed1e..6608dc6 100644
--- a/chrome/common/extensions/api/runtime.json
+++ b/chrome/common/extensions/api/runtime.json
@@ -307,6 +307,12 @@
         ]
       },
       {
+        "name": "onBrowserUpdateAvailable",
+        "type": "function",
+        "description": "Fired when a Chrome update is available, but isn't installed immediately because a browser restart is required.",
+        "parameters": []
+      },
+      {
         "name": "onConnect",
         "type": "function",
         "unprivileged": true,