Support merged Dart-JS callstacks

Source/bindings/dart/DartScriptDebugServer.h

Index: Source/bindings/dart/DartScriptDebugServer.h
diff --git a/Source/bindings/dart/DartScriptDebugServer.h b/Source/bindings/dart/DartScriptDebugServer.h
index f94e1ac8305f992aa1b381e6ae6c6a36f99343c9..a741bb11df24ba7fcce1342d1399af7c7dda1f69 100644
--- a/Source/bindings/dart/DartScriptDebugServer.h
+++ b/Source/bindings/dart/DartScriptDebugServer.h
@@ -194,6 +194,7 @@ public:
     virtual ScriptCallFrame topCallFrameNoScopes();
     virtual int frameCount();
     virtual StackTrace currentCallFrames();
+    virtual StackTrace currentCallFramesForVm();

[rmacnak, 2014/08/14 23:21:08]

currentStackWithForeignFrames, currentStackWithoutForeignFrames?

[Jacob, 2014/08/15 16:23:01]

In response to vsm's comments I refactored the CL to remove the need for a
currentCallFramesForVm/currentStackWithoutForeignFrames method
Now the ScriptDebugServer only returns its stack frames.

     virtual StackTrace currentCallFramesForAsyncStack();
 
     virtual bool isPaused();
@@ -249,6 +250,7 @@ protected:
     bool m_breakpointsActivated;
     bool m_runningNestedMessageLoop;
     Dart_StackTrace m_executionState;
+    bool m_isPaused;
     Dart_Isolate m_pausedIsolate;
     Page* m_pausedPage;
     HashSet<Dart_Isolate> m_interruptCalled;
@@ -295,6 +297,7 @@ public:
     virtual ScriptCallFrame topCallFrameNoScopes();
     virtual int frameCount();
     virtual StackTrace currentCallFrames();
+    virtual StackTrace currentCallFramesForVm();
     virtual StackTrace currentCallFramesForAsyncStack();
 
     virtual bool isPaused();