Fire visibilityChange event on out-of-process iframes.

third_party/WebKit/Source/web/WebViewFrameWidget.cpp

 // Copyright 2015 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 "web/WebViewFrameWidget.h"
 
 #include "web/WebLocalFrameImpl.h"
 #include "web/WebViewImpl.h"
 
 namespace blink {
@@ skipping 217 matching lines @@
 WebPagePopup* WebViewFrameWidget::pagePopup() const
 {
     return m_webView->pagePopup();
 }
 
 void WebViewFrameWidget::updateTopControlsState(WebTopControlsState constraints, WebTopControlsState current, bool animate)
 {
     return m_webView->updateTopControlsState(constraints, current, animate);
 }
 
-void WebViewFrameWidget::setVisibilityState(WebPageVisibilityState visibilityState, bool isInitialState)
+void WebViewFrameWidget::setVisibilityState(WebPageVisibilityState visibilityState)
 {
-    return m_webView->setVisibilityState(visibilityState, isInitialState);
+    return m_webView->setVisibilityState(visibilityState, false);
 }
 
 void WebViewFrameWidget::setIsTransparent(bool isTransparent)
 {
     m_webView->setIsTransparent(isTransparent);
 }
 
 bool WebViewFrameWidget::isTransparent() const
 {
     return m_webView->isTransparent();
 }
 
 void WebViewFrameWidget::setBaseBackgroundColor(WebColor color)
 {
     m_webView->setBaseBackgroundColor(color);
 }
 
 void WebViewFrameWidget::scheduleAnimation()
 {
     m_webView->scheduleAnimation();
 }
 
 CompositorProxyClient* WebViewFrameWidget::createCompositorProxyClient()
 {
     return m_webView->createCompositorProxyClient();
 }
 
 } // namespace blink