DevTools: Implement evaluation on async call frames.

Source/bindings/v8/DebuggerScript.js

Index: Source/bindings/v8/DebuggerScript.js
diff --git a/Source/bindings/v8/DebuggerScript.js b/Source/bindings/v8/DebuggerScript.js
index 2f92b48013e578d2fd7170acb3e8ad7f0236f3da..c61c5bcf0c1e19f7483ddc43b61bfd7a56aa8234 100644
--- a/Source/bindings/v8/DebuggerScript.js
+++ b/Source/bindings/v8/DebuggerScript.js
@@ -207,7 +207,7 @@ DebuggerScript.currentCallFrame = function(execState, maximumLimit)
     var topFrame = undefined;
     for (var i = frameCount - 1; i >= 0; i--) {
         var frameMirror = execState.frame(i);
-        topFrame = DebuggerScript._frameMirrorToJSCallFrame(frameMirror, topFrame);
+        topFrame = DebuggerScript._frameMirrorToJSCallFrame(execState, frameMirror, topFrame);
     }
     return topFrame;
 }
@@ -310,7 +310,7 @@ DebuggerScript.isEvalCompilation = function(eventData)
     return (script.compilationType() === Debug.ScriptCompilationType.Eval);
 }
 
-DebuggerScript._frameMirrorToJSCallFrame = function(frameMirror, callerFrame)
+DebuggerScript._frameMirrorToJSCallFrame = function(execState, frameMirror, callerFrame)
 {
     // Get function name and display name.
     var funcMirror;
@@ -349,9 +349,14 @@ DebuggerScript._frameMirrorToJSCallFrame = function(frameMirror, callerFrame)
         scopeChain.push(DebuggerScript._buildScopeObject(scopeMirror));
     }
 
-    function evaluate(expression)
+    function evaluate(expression, contextExtension)
     {
-        return frameMirror.evaluate(expression, false).value();
+        return frameMirror.evaluate(expression, false, contextExtension).value();
+    }
+
+    function evaluateGlobal(expression, contextExtension)
+    {
+        return execState.evaluateGlobal(expression, false, contextExtension).value();
     }
 
     function restart()
@@ -395,6 +400,7 @@ DebuggerScript._frameMirrorToJSCallFrame = function(frameMirror, callerFrame)
         "scopeChain": scopeChain,
         "scopeType": scopeType,
         "evaluate": evaluate,
+        "evaluateGlobal": evaluateGlobal,
         "caller": callerFrame,
         "restart": restart,
         "setVariableValue": setVariableValue,