Let FrameView track object paint invalidations

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 51 matching lines @@
 #include "core/page/ChromeClient.h"
 #include "core/page/FocusController.h"
 #include "core/page/Page.h"
 #include "core/page/scrolling/ScrollingCoordinator.h"
 #include "core/paint/ObjectPainter.h"
 #include "core/paint/PaintInfo.h"
 #include "core/paint/PaintLayer.h"
 #include "core/paint/TransformRecorder.h"
 #include "core/svg/SVGDocumentExtensions.h"
 #include "platform/DragImage.h"
+#include "platform/JSONValues.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/PaintController.h"
 #include "platform/graphics/paint/SkPictureBuilder.h"
 #include "platform/graphics/paint/TransformDisplayItem.h"
 #include "platform/plugins/PluginData.h"
@@ skipping 646 matching lines @@
 void LocalFrame::removeSpellingMarkersUnderWords(const Vector<String>& words)
 {
     spellChecker().removeSpellingMarkersUnderWords(words);
 }
 
 String LocalFrame::layerTreeAsText(unsigned flags) const
 {
     if (contentLayoutItem().isNull())
         return String();
 
-    return contentLayoutItem().compositor()->layerTreeAsText(static_cast<LayerTreeFlags>(flags));
+    RefPtr<JSONObject> layerTree = contentLayoutItem().compositor()->layerTreeAsJSON(static_cast<LayerTreeFlags>(flags));
+
+    if (flags & LayerTreeIncludesPaintInvalidations) {
+        RefPtr<JSONArray> objectPaintInvalidations = m_view->trackedObjectPaintInvalidationsAsJSON();
+        if (objectPaintInvalidations) {
+            if (!layerTree)
+                layerTree = JSONObject::create();
+            layerTree->setArray("objectPaintInvalidations", objectPaintInvalidations);
+        }
+    }
+
+    return layerTree ? layerTree->toPrettyJSONString() : String();
 }
 
 bool LocalFrame::shouldThrottleRendering() const
 {
     return view() && view()->shouldThrottleRendering();
 }
 
 inline LocalFrame::LocalFrame(FrameLoaderClient* client, FrameHost* host, FrameOwner* owner, ServiceRegistry* serviceRegistry)
     : Frame(client, host, owner)
     , m_loader(this)
@@ skipping 65 matching lines @@
         m_frame->client()->frameBlameContext()->Enter();
 }
 
 ScopedFrameBlamer::~ScopedFrameBlamer()
 {
     if (m_frame && m_frame->client() && m_frame->client()->frameBlameContext())
         m_frame->client()->frameBlameContext()->Leave();
 }
 
 } // namespace blink