Shows error messages in the inspector when .respondWith() is called with wrong responses.

Source/modules/serviceworkers/RespondWithObserver.h

Index: Source/modules/serviceworkers/RespondWithObserver.h
diff --git a/Source/modules/serviceworkers/RespondWithObserver.h b/Source/modules/serviceworkers/RespondWithObserver.h
index ebb46c42f87477e59ec31e16e99fe221726d9309..05a8a52eed1e69249d9a0151cf2413495acaa0c7 100644
--- a/Source/modules/serviceworkers/RespondWithObserver.h
+++ b/Source/modules/serviceworkers/RespondWithObserver.h
@@ -23,7 +23,7 @@ class ScriptValue;
 class MODULES_EXPORT RespondWithObserver final : public GarbageCollectedFinalized<RespondWithObserver>, public ContextLifecycleObserver {
     WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(RespondWithObserver);
 public:
-    static RespondWithObserver* create(ExecutionContext*, int eventID, WebURLRequest::FetchRequestMode, WebURLRequest::FrameType);
+    static RespondWithObserver* create(ExecutionContext*, int eventID, const KURL& requestURL, WebURLRequest::FetchRequestMode, WebURLRequest::FrameType);
 
     virtual void contextDestroyed() override;
 
@@ -41,9 +41,10 @@ public:
 private:
     class ThenFunction;
 
-    RespondWithObserver(ExecutionContext*, int eventID, WebURLRequest::FetchRequestMode, WebURLRequest::FrameType);
+    RespondWithObserver(ExecutionContext*, int eventID, const KURL&, WebURLRequest::FetchRequestMode, WebURLRequest::FrameType);

[falken, 2015/07/14 12:58:55]

probably should write requestURL here too

[horo, 2015/07/15 02:32:10]

Done.

 
     int m_eventID;
+    KURL m_requestURL;
     WebURLRequest::FetchRequestMode m_requestMode;
     WebURLRequest::FrameType m_frameType;