DevTools: Support asynchronous call stacks on backend.

Source/core/inspector/InspectorDebuggerAgent.cpp

Index: Source/core/inspector/InspectorDebuggerAgent.cpp
diff --git a/Source/core/inspector/InspectorDebuggerAgent.cpp b/Source/core/inspector/InspectorDebuggerAgent.cpp
index 07b9e851bc62e4b192bc884b774652bb6a491061..48d806950988088429edc5f7003185b8b63a2089 100644
--- a/Source/core/inspector/InspectorDebuggerAgent.cpp
+++ b/Source/core/inspector/InspectorDebuggerAgent.cpp
@@ -655,11 +655,62 @@ void InspectorDebuggerAgent::cancelPauseOnNextStatement()
     scriptDebugServer().setPauseOnNextStatement(false);
 }
 
+void InspectorDebuggerAgent::requestAsyncCallFramesIfNeeded()
+{
+    if (m_asyncCallStackTracker.isEnabled())
+        scriptDebugServer().requestAsyncCallFrames();
+}
+
+void InspectorDebuggerAgent::didRequestAsyncCallFrames(ScriptValue callFrames)
+{
+    m_asyncCallStackTracker.didRequestAsyncCallFrames(callFrames);
+}
+
+void InspectorDebuggerAgent::didInstallTimer(ExecutionContext*, int timerId, int timeout, bool singleShot)
+{
+    m_asyncCallStackTracker.didInstallTimer(timerId, singleShot);
+    requestAsyncCallFramesIfNeeded();
+}
+
+void InspectorDebuggerAgent::didRemoveTimer(ExecutionContext*, int timerId)
+{
+    m_asyncCallStackTracker.didRemoveTimer(timerId);
+}
+
+bool InspectorDebuggerAgent::willFireTimer(ExecutionContext*, int timerId)
+{
+    m_asyncCallStackTracker.willFireTimer(timerId);
+    return true;
+}
+
 void InspectorDebuggerAgent::didFireTimer()
 {
+    m_asyncCallStackTracker.didAsyncCall();
     cancelPauseOnNextStatement();
 }
 
+void InspectorDebuggerAgent::didRequestAnimationFrame(Document*, int callbackId)
+{
+    m_asyncCallStackTracker.didRequestAnimationFrame(callbackId);
+    requestAsyncCallFramesIfNeeded();
+}
+
+void InspectorDebuggerAgent::didCancelAnimationFrame(Document*, int callbackId)
+{
+    m_asyncCallStackTracker.didCancelAnimationFrame(callbackId);
+}
+
+bool InspectorDebuggerAgent::willFireAnimationFrame(Document*, int callbackId)
+{
+    m_asyncCallStackTracker.willFireAnimationFrame(callbackId);
+    return true;
+}
+
+void InspectorDebuggerAgent::didFireAnimationFrame()
+{
+    m_asyncCallStackTracker.didAsyncCall();
+}
+
 void InspectorDebuggerAgent::didHandleEvent()
 {
     cancelPauseOnNextStatement();
@@ -987,7 +1038,7 @@ void InspectorDebuggerAgent::didPause(ScriptState* scriptState, const ScriptValu
         InjectedScript injectedScript = m_injectedScriptManager->injectedScriptFor(scriptState);
         if (!injectedScript.hasNoValue()) {
             m_breakReason = InspectorFrontend::Debugger::Reason::Exception;
-            m_breakAuxData = injectedScript.wrapObject(exception, "backtrace")->openAccessors();
+            m_breakAuxData = injectedScript.wrapObject(exception, InspectorDebuggerAgent::backtraceObjectGroup)->openAccessors();
             // m_breakAuxData might be null after this.
         }
     }
@@ -1045,6 +1096,7 @@ void InspectorDebuggerAgent::clear()
     m_currentCallStack = ScriptValue();
     m_scripts.clear();
     m_breakpointIdToDebugServerBreakpointIds.clear();
+    m_asyncCallStackTracker.clear();
     m_continueToLocationBreakpointId = String();
     clearBreakDetails();
     m_javaScriptPauseScheduled = false;
@@ -1083,6 +1135,7 @@ void InspectorDebuggerAgent::reset()
 {
     m_scripts.clear();
     m_breakpointIdToDebugServerBreakpointIds.clear();
+    m_asyncCallStackTracker.clear();
     if (m_frontend)
         m_frontend->globalObjectCleared();
 }