dumpInspectorProtocolMessages logs objects instead of stringified objects

third_party/WebKit/Source/devtools/front_end/sdk/InspectorBackend.js

Index: third_party/WebKit/Source/devtools/front_end/sdk/InspectorBackend.js
diff --git a/third_party/WebKit/Source/devtools/front_end/sdk/InspectorBackend.js b/third_party/WebKit/Source/devtools/front_end/sdk/InspectorBackend.js
index 30381196fbdd2cb9159465d5a26fb1be8176c63d..1019627c53da5f41c0ef078765283c082d7c8c1a 100644
--- a/third_party/WebKit/Source/devtools/front_end/sdk/InspectorBackend.js
+++ b/third_party/WebKit/Source/devtools/front_end/sdk/InspectorBackend.js
@@ -285,7 +285,7 @@ InspectorBackendClass.Connection.prototype = {
         var wrappedCallback = this._wrap(callback, domain, method);
 
         if (InspectorBackendClass.Options.dumpInspectorProtocolMessages)
-            this._dumpProtocolMessage("frontend: " + JSON.stringify(messageObject));
+            this._dumpProtocolMessage("frontend: ", messageObject);
 
         this.sendMessage(messageObject);
         ++this._pendingResponsesCount;
@@ -324,11 +324,11 @@ InspectorBackendClass.Connection.prototype = {
      */
     dispatch: function(message)
     {
-        if (InspectorBackendClass.Options.dumpInspectorProtocolMessages)
-            this._dumpProtocolMessage("backend: " + ((typeof message === "string") ? message : JSON.stringify(message)));
-
         var messageObject = /** @type {!Object} */ ((typeof message === "string") ? JSON.parse(message) : message);
 
+        if (InspectorBackendClass.Options.dumpInspectorProtocolMessages)
+            this._dumpProtocolMessage("backend: ", messageObject);
+
         if ("id" in messageObject) { // just a response for some request
             var callback = this._callbacks[messageObject.id];
             if (!callback) {
@@ -405,9 +405,9 @@ InspectorBackendClass.Connection.prototype = {
         }
     },
 
-    _dumpProtocolMessage: function(message)
+    _dumpProtocolMessage: function(message, messageObject)
     {
-        console.log(message);
+        console.log.call(console, message, messageObject);
     },
 
     /**
@@ -635,7 +635,7 @@ InspectorBackendClass.AgentPrototype.prototype = {
     {
         if (messageObject.error && messageObject.error.code !== InspectorBackendClass._DevToolsErrorCode && messageObject.error.code !== InspectorBackendClass.DevToolsStubErrorCode && !InspectorBackendClass.Options.suppressRequestErrors && !this._suppressErrorLogging) {
             var id = InspectorBackendClass.Options.dumpInspectorProtocolMessages ? " with id = " + messageObject.id : "";
-            console.error("Request " + methodName + id + " failed. " + JSON.stringify(messageObject.error));
+            console.error("Request " + methodName + id + " failed. ", messageObject.error);
         }
 
         var argumentsArray = [];