Sharing of SharedArrayBuffer via PostMessage transfer

Source/bindings/core/v8/V8Initializer.cpp

Index: Source/bindings/core/v8/V8Initializer.cpp
diff --git a/Source/bindings/core/v8/V8Initializer.cpp b/Source/bindings/core/v8/V8Initializer.cpp
index 874d0f1c3ff5454281e787edf3b29145e529d17b..04b88036d9feafef2c7627596d5da0761ce40e26 100644
--- a/Source/bindings/core/v8/V8Initializer.cpp
+++ b/Source/bindings/core/v8/V8Initializer.cpp
@@ -359,6 +359,11 @@ static void initializeV8Common(v8::Isolate* isolate)
     v8::V8::AddGCPrologueCallback(V8GCController::gcPrologue);
     v8::V8::AddGCEpilogueCallback(V8GCController::gcEpilogue);
 
+    if (RuntimeEnabledFeatures::sharedArrayBufferEnabled()) {
+        static const char kSharedArrayBuffer[] = "--harmony-sharedarraybuffer";
+        v8::V8::SetFlagsFromString(kSharedArrayBuffer, sizeof(kSharedArrayBuffer));

[jochen (gone - plz use gerrit), 2015/07/10 09:07:40]

we should first land this once shared array buffers are enabled in v8

[binji, 2015/07/10 18:34:46]

Sorry, I don't understand. Is it dangerous to add a blink runtime flag? Should I
just set the status to "test" for now?

+    }
+
     v8::Debug::SetLiveEditEnabled(isolate, false);
 
     isolate->SetAutorunMicrotasks(false);