binding: Uses the current context if attribute/method is static.

third_party/WebKit/Source/bindings/core/v8/ScriptState.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 ScriptState_h
 #define ScriptState_h
 
 #include "bindings/core/v8/ScopedPersistent.h"
 #include "bindings/core/v8/V8PerContextData.h"
 #include "core/CoreExport.h"
@@ skipping 34 matching lines @@
         }
 
     private:
         v8::HandleScope m_handleScope;
         v8::Local<v8::Context> m_context;
     };
 
     static PassRefPtr<ScriptState> create(v8::Local<v8::Context>, PassRefPtr<DOMWrapperWorld>);
     virtual ~ScriptState();
 
-    static ScriptState* current(v8::Isolate* isolate)
+    static ScriptState* current(v8::Isolate* isolate) // DEPRECATED
     {
         return from(isolate->GetCurrentContext());
     }
 
-    static ScriptState* forHolderObject(const v8::FunctionCallbackInfo<v8::Value>& info)
+    static ScriptState* forFunctionObject(const v8::FunctionCallbackInfo<v8::Value>& info)
+    {
+        // We're assuming that the current context is not yet changed since
+        // the callback function has got called back.
+        // TODO(yukishiino): Once info.GetFunctionContext() gets implemented,
+        // we should use it instead.
+        return from(info.GetIsolate()->GetCurrentContext());
+    }
+
+    static ScriptState* forReceiverObject(const v8::FunctionCallbackInfo<v8::Value>& info)
     {
         return from(info.Holder()->CreationContext());
     }
 
-    static ScriptState* forHolderObject(const v8::PropertyCallbackInfo<v8::Value>& info)
+    static ScriptState* forReceiverObject(const v8::PropertyCallbackInfo<v8::Value>& info)
     {
         return from(info.Holder()->CreationContext());
     }
 
     // Debugger context doesn't have associated ScriptState and when current
     // context is debugger it should be treated as if context stack was empty.
     static bool hasCurrentScriptState(v8::Isolate* isolate)
     {
         v8::HandleScope scope(isolate);
         v8::Local<v8::Context> context = isolate->GetCurrentContext();
@@ skipping 82 matching lines @@
     }
 
 private:
     RefPtr<ScriptState> m_scriptState;
     ScopedPersistent<v8::Context> m_context;
 };
 
 } // namespace blink
 
 #endif // ScriptState_h