Oilpan: Prepare moving inspector script related classes to oilpan.

Source/core/dom/ExecutionContextClient.h

Index: Source/core/dom/ExecutionContextClient.h
diff --git a/Source/core/dom/ExecutionContextClient.h b/Source/core/dom/ExecutionContextClient.h
index 5ae10f1d16f7b26bcf16cb89d0bbe3663a41e355..6dc3aa996b07c5d654c57e1bb611cf24d5cf997e 100644
--- a/Source/core/dom/ExecutionContextClient.h
+++ b/Source/core/dom/ExecutionContextClient.h
@@ -29,6 +29,7 @@
 
 #include "core/frame/ConsoleTypes.h"
 #include "platform/LifecycleNotifier.h"
+#include "platform/heap/Handle.h"
 #include "platform/weborigin/KURL.h"
 #include "wtf/Forward.h"
 
@@ -60,7 +61,7 @@ public:
     virtual void addMessage(MessageSource, MessageLevel, const String& message, const String& sourceURL, unsigned lineNumber, ScriptState*) = 0;
     virtual void reportBlockedScriptExecutionToInspector(const String& directiveText) = 0;
     virtual EventTarget* errorEventTarget() = 0;
-    virtual void logExceptionToConsole(const String& errorMessage, const String& sourceURL, int lineNumber, int columnNumber, PassRefPtr<ScriptCallStack>) = 0;
+    virtual void logExceptionToConsole(const String& errorMessage, const String& sourceURL, int lineNumber, int columnNumber, PassRefPtrWillBeRawPtr<ScriptCallStack>) = 0;
     virtual double timerAlignmentInterval() const = 0;
     virtual void didUpdateSecurityOrigin() = 0;