Inline exception handling code into PrivateScriptRunner helpers

Source/bindings/core/v8/PrivateScriptRunner.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef PrivateScriptRunner_h
 #define PrivateScriptRunner_h
 
 #include "bindings/core/v8/ExceptionState.h"
 #include "wtf/text/WTFString.h"
 #include <v8.h>
 
 namespace blink {
 
 class LocalFrame;
 class ScriptState;
 
 class PrivateScriptRunner {
 public:
     static v8::Handle<v8::Value> installClassIfNeeded(LocalFrame*, String className);
-    static v8::Handle<v8::Value> runDOMAttributeGetter(ScriptState*, String className, String attributeName, v8::Handle<v8::Value> holder);
-    static void runDOMAttributeSetter(ScriptState*, String className, String attributeName, v8::Handle<v8::Value> holder, v8::Handle<v8::Value> v8Value);
-    static v8::Handle<v8::Value> runDOMMethod(ScriptState*, String className, String methodName, v8::Handle<v8::Value> holder, int argc, v8::Handle<v8::Value> argv[]);
-
-    static void rethrowExceptionInPrivateScript(v8::Isolate*, v8::TryCatch&, ScriptState*, ExceptionState::Context, const char* propertyName, const char* interfaceName);
+    static v8::Handle<v8::Value> runDOMAttributeGetter(ScriptState*, ScriptState* scriptStateInUserScript, const char* className, const char* attributeName, v8::Handle<v8::Value> holder);
+    static bool runDOMAttributeSetter(ScriptState*, ScriptState* scriptStateInUserScript, const char* className, const char* attributeName, v8::Handle<v8::Value> holder, v8::Handle<v8::Value> v8Value);
+    static v8::Handle<v8::Value> runDOMMethod(ScriptState*, ScriptState* scriptStateInUserScript, const char* className, const char* methodName, v8::Handle<v8::Value> holder, int argc, v8::Handle<v8::Value> argv[]);
 };
 
 } // namespace blink
 
 #endif // V8PrivateScriptRunner_h