Removed v8::Isolate::GetCurrent() and fixed toV8 with empty context.

public/web/WebArrayBufferConverter.h

Index: public/web/WebArrayBufferConverter.h
diff --git a/public/web/WebArrayBufferConverter.h b/public/web/WebArrayBufferConverter.h
index 1c5bde03179cb27f90b37bd11e78698ce884d74b..5dc0d010c655ca3dd2d4246b9ffaf39b77887dda 100644
--- a/public/web/WebArrayBufferConverter.h
+++ b/public/web/WebArrayBufferConverter.h
@@ -34,6 +34,8 @@
 #include "public/platform/WebArrayBuffer.h"
 
 namespace v8 {
+class Isolate;
+class Object;
 class Value;
 template <class T> class Handle;
 }
@@ -42,8 +44,12 @@ namespace blink {
 
 class WebArrayBufferConverter {
 public:
+    // FIXME: remove these two APIs which doesn't take either context or
+    // isolate as their parameters after the embedder side is fixed.
     BLINK_EXPORT static v8::Handle<v8::Value> toV8Value(WebArrayBuffer*);
     BLINK_EXPORT static WebArrayBuffer* createFromV8Value(v8::Handle<v8::Value>);
+    BLINK_EXPORT static v8::Handle<v8::Value> toV8Value(WebArrayBuffer*, v8::Handle<v8::Object>, v8::Isolate*);
+    BLINK_EXPORT static WebArrayBuffer* createFromV8Value(v8::Handle<v8::Value>, v8::Isolate*);
 };
 
 } // namespace blink