<webview>: Implement WebRequest API

chrome/browser/extensions/event_router.cc

Index: chrome/browser/extensions/event_router.cc
diff --git a/chrome/browser/extensions/event_router.cc b/chrome/browser/extensions/event_router.cc
index 586c60048f09044d145ec2a79102d10c32dbacfa..9224a516c864831253c66139385cd3e3c0dcad96 100644
--- a/chrome/browser/extensions/event_router.cc
+++ b/chrome/browser/extensions/event_router.cc
@@ -172,6 +172,13 @@ void EventRouter::DispatchEvent(IPC::Sender* ipc_sender,
                                 const EventFilteringInfo& info) {
   DispatchExtensionMessage(ipc_sender, profile_id, extension_id, event_name,
                            event_args.get(), event_url, user_gesture, info);
+
+  BrowserThread::PostTask(
+      BrowserThread::UI,
+      FROM_HERE,
+      base::Bind(&EventRouter::IncrementInFlightEventsOnUI,
+                  profile_id,
+                  extension_id));
 }
 
 EventRouter::EventRouter(Profile* profile, ExtensionPrefs* extension_prefs)
@@ -661,6 +668,25 @@ bool EventRouter::MaybeLoadLazyBackgroundPageToDispatchEvent(
   return false;
 }
 
+// static
+void EventRouter::IncrementInFlightEventsOnUI(
+    void* profile_id,
+    const std::string& extension_id) {
+  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
+  Profile* profile = reinterpret_cast<Profile*>(profile_id);
+  extensions::EventRouter* event_router =
+      extensions::ExtensionSystem::Get(profile)->event_router();
+  if (!event_router)
+    return;
+  ExtensionService* extension_service =
+      extensions::ExtensionSystem::Get(profile)->extension_service();
+  const Extension* extension =
+      extension_service->extensions()->GetByID(extension_id);
+  if (!extension)
+    return;
+  event_router->IncrementInFlightEvents(profile, extension);
+}
+
 void EventRouter::IncrementInFlightEvents(Profile* profile,
                                           const Extension* extension) {
   // Only increment in-flight events if the lazy background page is active,