scheduler: Implement WebFrameScheduler and WebPageScheduler

third_party/WebKit/Source/core/frame/LocalFrame.cpp

 /*
  * Copyright (C) 1998, 1999 Torben Weis <weis@kde.org>
  *                     1999 Lars Knoll <knoll@kde.org>
  *                     1999 Antti Koivisto <koivisto@kde.org>
  *                     2000 Simon Hausmann <hausmann@kde.org>
  *                     2000 Stefan Schimanski <1Stein@gmx.de>
  *                     2001 George Staikos <staikos@kde.org>
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2005 Alexey Proskuryakov <ap@nypop.com>
  * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
@@ skipping 55 matching lines @@
 #include "core/svg/SVGDocumentExtensions.h"
 #include "platform/DragImage.h"
 #include "platform/PluginScriptForbiddenScope.h"
 #include "platform/RuntimeEnabledFeatures.h"
 #include "platform/ScriptForbiddenScope.h"
 #include "platform/graphics/GraphicsContext.h"
 #include "platform/graphics/StaticBitmapImage.h"
 #include "platform/graphics/paint/ClipRecorder.h"
 #include "platform/graphics/paint/SkPictureBuilder.h"
 #include "platform/text/TextStream.h"
+#include "public/platform/WebFrameHostScheduler.h"
+#include "public/platform/WebFrameScheduler.h"
+#include "public/platform/WebSecurityOrigin.h"
 #include "third_party/skia/include/core/SkImage.h"
 #include "wtf/PassOwnPtr.h"
 #include "wtf/StdLibExtras.h"
 
 namespace blink {
 
 using namespace HTMLNames;
 
 namespace {
 
@@ skipping 189 matching lines @@
 
 void LocalFrame::detach(FrameDetachType type)
 {
     PluginScriptForbiddenScope forbidPluginDestructorScripting;
     // A lot of the following steps can result in the current frame being
     // detached, so protect a reference to it.
     RefPtrWillBeRawPtr<LocalFrame> protect(this);
     m_loader.stopAllLoaders();
     m_loader.dispatchUnloadEvent();
     detachChildren();
+    m_frameScheduler.clear();
 
     // All done if detaching the subframes brought about a detach of this frame also.
     if (!client())
         return;
 
     // stopAllLoaders() needs to be called after detachChildren(), because detachChildren()
     // will trigger the unload event handlers of any child frames, and those event
     // handlers might start a new subresource load in this frame.
     m_loader.stopAllLoaders();
     m_loader.detach();
@@ skipping 556 matching lines @@
     , m_pageZoomFactor(parentPageZoomFactor(this))
     , m_textZoomFactor(parentTextZoomFactor(this))
     , m_inViewSourceMode(false)
 {
     if (isLocalRoot())
         m_instrumentingAgents = InstrumentingAgents::create();
     else
         m_instrumentingAgents = localFrameRoot()->m_instrumentingAgents;
 }
 
+WebFrameScheduler* LocalFrame::frameScheduler()
+{
+    if (!m_frameScheduler.get())
+        m_frameScheduler = adoptPtr(host()->frameHostScheduler()->createFrameScheduler());
+
+    ASSERT(m_frameScheduler.get());
+    return m_frameScheduler.get();
+}
+
+void LocalFrame::updateFrameSecurityOrigin()
+{
+    SecurityContext* context = securityContext();
+    if (!context)
+        return;
+
+    WebSecurityOrigin securityOrigin(context->securityOrigin());
+    frameScheduler()->setFrameOrigin(&securityOrigin);
+}
+
 DEFINE_WEAK_IDENTIFIER_MAP(LocalFrame);
 
 } // namespace blink