Remove the HasOwnBackingButPaintsIntoAncestor compositing state.

Source/core/inspector/InspectorTraceEvents.cpp

 // Copyright 2014 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 "config.h"
 #include "core/inspector/InspectorTraceEvents.h"
 
 #include "bindings/core/v8/ScriptCallStackFactory.h"
 #include "bindings/core/v8/ScriptGCEvent.h"
 #include "bindings/core/v8/ScriptSourceCode.h"
@@ skipping 474 matching lines @@
     quad->setP2(view->contentsToRootView(roundedIntPoint(absolute.p2())));
     quad->setP3(view->contentsToRootView(roundedIntPoint(absolute.p3())));
     quad->setP4(view->contentsToRootView(roundedIntPoint(absolute.p4())));
 }
 
 const char InspectorLayerInvalidationTrackingEvent::SquashingLayerGeometryWasUpdated[] = "Squashing layer geometry was updated";
 const char InspectorLayerInvalidationTrackingEvent::AddedToSquashingLayer[] = "The layer may have been added to an already-existing squashing layer";
 const char InspectorLayerInvalidationTrackingEvent::RemovedFromSquashingLayer[] = "Removed the layer from a squashing layer";
 const char InspectorLayerInvalidationTrackingEvent::ReflectionLayerChanged[] = "Reflection layer change";
 const char InspectorLayerInvalidationTrackingEvent::NewCompositedLayer[] = "Assigned a new composited layer";
-const char InspectorLayerInvalidationTrackingEvent::AncestorRequiresNewLayer[] = "A new composited layer is needed based on the RenderLayer's compositing ancestor's properties";
 
 PassRefPtr<TraceEvent::ConvertableToTraceFormat> InspectorLayerInvalidationTrackingEvent::data(const RenderLayer* layer, const char* reason)
 {
     const RenderObject* paintInvalidationContainer = layer->renderer()->containerForPaintInvalidation();
 
     RefPtr<TracedValue> value = TracedValue::create();
     value->setString("frame", toHexString(paintInvalidationContainer->frame()));
     setGeneratingNodeInfo(value.get(), paintInvalidationContainer, "paintId");
     value->setString("reason", reason);
     return value.release();
@@ skipping 100 matching lines @@
 
 PassRefPtr<TraceEvent::ConvertableToTraceFormat> InspectorTracingSessionIdForWorkerEvent::data(const String& sessionId, WorkerThread* workerThread)
 {
     RefPtr<TracedValue> value = TracedValue::create();
     value->setString("sessionId", sessionId);
     value->setDouble("workerThreadId", workerThread->platformThreadId());
     return value.release();
 }
 
 }