DevTools: use async operation id instead of AsyncCallChain

Source/core/inspector/V8AsyncCallTracker.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/V8AsyncCallTracker.h"
 
 #include "bindings/core/v8/V8PerContextData.h"
 #include "core/inspector/AsyncCallChainMap.h"
 #include "platform/heap/Handle.h"
@@ skipping 96 matching lines @@
     else if (eventType == v8AsyncTaskEventDidHandle)
         m_debuggerAgent->traceAsyncCallbackCompleted();
     else
         ASSERT_NOT_REACHED();
 }
 
 void V8AsyncCallTracker::didEnqueueV8AsyncTask(ScriptState* state, const String& eventName, int id)
 {
     ASSERT(state);
     ASSERT(m_debuggerAgent->trackingAsyncCalls());
-    RefPtrWillBeRawPtr<AsyncCallChain> callChain = m_debuggerAgent->traceAsyncOperationStarting(eventName);
-    if (!callChain)
+    int operationId = m_debuggerAgent->traceAsyncOperationStarting(eventName);
+    if (!operationId)
         return;
     V8ContextAsyncCallChains* contextCallChains = m_contextAsyncCallChainMap.get(state);
     if (!contextCallChains)
         contextCallChains = m_contextAsyncCallChainMap.set(state, adoptPtrWillBeNoop(new V8ContextAsyncCallChains(m_debuggerAgent))).storedValue->value.get();
-    contextCallChains->m_v8AsyncCallChains.set(makeV8AsyncTaskUniqueId(eventName, id), callChain.release());
+    contextCallChains->m_v8AsyncCallChains.set(makeV8AsyncTaskUniqueId(eventName, id), operationId);
 }
 
 void V8AsyncCallTracker::willHandleV8AsyncTask(ScriptState* state, const String& eventName, int id)
 {
     ASSERT(state);
     ASSERT(m_debuggerAgent->trackingAsyncCalls());
     if (V8ContextAsyncCallChains* contextCallChains = m_contextAsyncCallChainMap.get(state)) {
         String taskId = makeV8AsyncTaskUniqueId(eventName, id);
         m_debuggerAgent->traceAsyncCallbackStarting(state->isolate(), contextCallChains->m_v8AsyncCallChains.get(taskId));
         contextCallChains->m_v8AsyncCallChains.remove(taskId);
     } else {
-        m_debuggerAgent->traceAsyncCallbackStarting(state->isolate(), nullptr);
+        m_debuggerAgent->traceAsyncCallbackStarting(state->isolate(), 0);

[aandrey, 2015/01/20 14:33:36]

0 -> public const

[yurys, 2015/01/20 17:15:39]

Done.

     }
 }
 
 } // namespace blink