[AppBanner] Blink implementation of an event when an install banner is shown.

Source/web/WebLocalFrameImpl.cpp

 /*
  * Copyright (C) 2009 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 131 matching lines @@
 #include "core/page/Chrome.h"
 #include "core/page/EventHandler.h"
 #include "core/page/FocusController.h"
 #include "core/page/FrameTree.h"
 #include "core/page/Page.h"
 #include "core/page/PrintContext.h"
 #include "core/rendering/RenderBox.h"
 #include "core/rendering/RenderView.h"
 #include "core/timing/DOMWindowPerformance.h"
 #include "core/timing/Performance.h"
+#include "modules/app_banner/AppBannerController.h"
 #include "modules/geolocation/GeolocationController.h"
 #include "modules/notifications/NotificationPermissionClient.h"
 #include "modules/presentation/PresentationController.h"
 #include "modules/push_messaging/PushController.h"
 #include "modules/screen_orientation/ScreenOrientationController.h"
 #include "platform/ScriptForbiddenScope.h"
 #include "platform/TraceEvent.h"
 #include "platform/UserGestureIndicator.h"
 #include "platform/clipboard/ClipboardUtilities.h"
 #include "platform/fonts/FontCache.h"
@@ skipping 1774 matching lines @@
 v8::Handle<v8::Value> WebLocalFrameImpl::executeScriptAndReturnValueForTests(const WebScriptSource& source)
 {
     // FIXME: This fake UserGestureIndicator is required for a bunch of browser
     // tests to pass. We should update the tests to simulate input and get rid
     // of this.
     // http://code.google.com/p/chromium/issues/detail?id=86397
     UserGestureIndicator gestureIndicator(DefinitelyProcessingNewUserGesture);
     return executeScriptAndReturnValue(source);
 }
 
+void WebLocalFrameImpl::willShowInstallBannerPrompt(const WebString& platform, bool* cancel)
+{
+    if (!RuntimeEnabledFeatures::appBannerEnabled() || !frame())
+        return;
+
+    AppBannerController::willShowInstallBannerPrompt(frame(), platform, cancel);
+}
+
 void WebLocalFrameImpl::willDetachParent()
 {
     // Do not expect string scoping results from any frames that got detached
     // in the middle of the operation.
     if (m_textFinder && m_textFinder->scopingInProgress()) {
 
         // There is a possibility that the frame being detached was the only
         // pending one. We need to make sure final replies can be sent.
         m_textFinder->flushCurrentScoping();
 
@@ skipping 47 matching lines @@
 {
     m_frameWidget = frameWidget;
 }
 
 WebFrameWidgetImpl* WebLocalFrameImpl::frameWidget() const
 {
     return m_frameWidget;
 }
 
 } // namespace blink