DevTools: Restore capture async traces state on page navigation.

Source/core/inspector/InspectorDebuggerAgent.cpp

 /*
  * Copyright (C) 2010 Apple Inc. All rights reserved.
  * Copyright (C) 2010-2011 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
@@ skipping 43 matching lines @@
 using WebCore::TypeBuilder::Debugger::ScriptId;
 using WebCore::TypeBuilder::Debugger::StackTrace;
 using WebCore::TypeBuilder::Runtime::RemoteObject;
 
 namespace WebCore {
 
 namespace DebuggerAgentState {
 static const char debuggerEnabled[] = "debuggerEnabled";
 static const char javaScriptBreakpoints[] = "javaScriptBreakopints";
 static const char pauseOnExceptionsState[] = "pauseOnExceptionsState";
+static const char asyncCallStackDepth[] = "asyncCallStackDepth";
 
 // Breakpoint properties.
 static const char url[] = "url";
 static const char isRegex[] = "isRegex";
 static const char lineNumber[] = "lineNumber";
 static const char columnNumber[] = "columnNumber";
 static const char condition[] = "condition";
 static const char isAnti[] = "isAnti";
 static const char skipStackPattern[] = "skipStackPattern";
 static const char skipAllPauses[] = "skipAllPauses";
@@ skipping 53 matching lines @@
 
     if (m_listener)
         m_listener->debuggerWasEnabled();
 }
 
 void InspectorDebuggerAgent::disable()
 {
     m_state->setObject(DebuggerAgentState::javaScriptBreakpoints, JSONObject::create());
     m_state->setLong(DebuggerAgentState::pauseOnExceptionsState, ScriptDebugServer::DontPauseOnExceptions);
     m_state->setString(DebuggerAgentState::skipStackPattern, "");
+    m_state->setLong(DebuggerAgentState::asyncCallStackDepth, 0);
     m_instrumentingAgents->setInspectorDebuggerAgent(0);
 
     stopListeningScriptDebugServer();
     scriptDebugServer().clearBreakpoints();
     scriptDebugServer().clearCompiledScripts();
     clear();
 
     if (m_listener)
         m_listener->debuggerWasDisabled();
 
@@ skipping 42 matching lines @@
         enable();
         long pauseState = m_state->getLong(DebuggerAgentState::pauseOnExceptionsState);
         String error;
         setPauseOnExceptionsImpl(&error, pauseState);
         m_cachedSkipStackRegExp = compileSkipCallFramePattern(m_state->getString(DebuggerAgentState::skipStackPattern));
         m_skipAllPauses = m_state->getBoolean(DebuggerAgentState::skipAllPauses);
         if (m_skipAllPauses && m_state->getBoolean(DebuggerAgentState::skipAllPausesExpiresOnReload)) {
             m_skipAllPauses = false;
             m_state->setBoolean(DebuggerAgentState::skipAllPauses, false);
         }
+        m_asyncCallStackTracker.setAsyncCallStackDepth(m_state->getLong(DebuggerAgentState::asyncCallStackDepth));
     }
 }
 
 void InspectorDebuggerAgent::setFrontend(InspectorFrontend* frontend)
 {
     m_frontend = frontend->debugger();
 }
 
 void InspectorDebuggerAgent::clearFrontend()
 {
@@ skipping 715 matching lines @@
             *errorString = "Invalid regular expression";
             return;
         }
     }
     m_state->setString(DebuggerAgentState::skipStackPattern, patternValue);
     m_cachedSkipStackRegExp = compiled.release();
 }
 
 void InspectorDebuggerAgent::setAsyncCallStackDepth(ErrorString*, int depth)
 {
+    m_state->setLong(DebuggerAgentState::asyncCallStackDepth, depth);
     m_asyncCallStackTracker.setAsyncCallStackDepth(depth);
 }
 
 void InspectorDebuggerAgent::scriptExecutionBlockedByCSP(const String& directiveText)
 {
     if (scriptDebugServer().pauseOnExceptionsState() != ScriptDebugServer::DontPauseOnExceptions) {
         RefPtr<JSONObject> directive = JSONObject::create();
         directive->setString("directiveText", directiveText);
         breakProgram(InspectorFrontend::Debugger::Reason::CSPViolation, directive.release());
     }
@@ skipping 218 matching lines @@
 {
     m_scripts.clear();
     m_breakpointIdToDebugServerBreakpointIds.clear();
     m_asyncCallStackTracker.clear();
     if (m_frontend)
         m_frontend->globalObjectCleared();
 }
 
 } // namespace WebCore