DevTools: Restore capture async traces state on page navigation.

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 43f0d19acad67ad9fce9bc0ad5edbc46b4e9d8ed..2dcc3a76a41ec3dc5e8a1624de35024a0055be6b 100644
--- a/Source/core/inspector/InspectorDebuggerAgent.cpp
+++ b/Source/core/inspector/InspectorDebuggerAgent.cpp
@@ -61,6 +61,7 @@ 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";
@@ -196,6 +197,7 @@ void InspectorDebuggerAgent::restore()
             m_skipAllPauses = false;
             m_state->setBoolean(DebuggerAgentState::skipAllPauses, false);
         }
+        m_asyncCallStackTracker.setAsyncCallStackDepth(m_state->getLong(DebuggerAgentState::asyncCallStackDepth));
     }
 }
 
@@ -931,6 +933,7 @@ void InspectorDebuggerAgent::skipStackFrames(ErrorString* errorString, const Str
 
 void InspectorDebuggerAgent::setAsyncCallStackDepth(ErrorString*, int depth)
 {
+    m_state->setLong(DebuggerAgentState::asyncCallStackDepth, depth);

[pfeldman, 2013/12/10 17:20:54]

You want to clear it in disable. Otherwise:

- enable
- setAsyncCallstack(100)
- disable
- enable
- reload

will set it to 100.

[aandrey, 2013/12/11 08:14:18]

Done.

     m_asyncCallStackTracker.setAsyncCallStackDepth(depth);
 }