WebMessaging: Send transferable ArrayBuffers by copy-and-neuter semantics

third_party/WebKit/Source/bindings/core/v8/SerializedScriptValue.h

Index: third_party/WebKit/Source/bindings/core/v8/SerializedScriptValue.h
diff --git a/third_party/WebKit/Source/bindings/core/v8/SerializedScriptValue.h b/third_party/WebKit/Source/bindings/core/v8/SerializedScriptValue.h
index b51585c87ae4910829870b4ed6c6e4561d1c65b5..c5195878da23933cccdf4aef4282d0eb69b8c315 100644
--- a/third_party/WebKit/Source/bindings/core/v8/SerializedScriptValue.h
+++ b/third_party/WebKit/Source/bindings/core/v8/SerializedScriptValue.h
@@ -114,6 +114,14 @@ class CORE_EXPORT SerializedScriptValue
                                    Transferables&,
                                    ExceptionState&);
 
+  // Helper function which pulls ArrayBufferContents out of an ArrayBufferArray
+  // and neuters the ArrayBufferArray.  Returns nullptr if there is an
+  // exception.
+  static std::unique_ptr<ArrayBufferContentsArray> transferArrayBufferContents(
+      v8::Isolate*,
+      const ArrayBufferArray&,
+      ExceptionState&);
+
   // Informs the V8 about external memory allocated and owned by this object.
   // Large values should contribute to GC counters to eventually trigger a GC,
   // otherwise flood of postMessage() can cause OOM.
@@ -121,9 +129,6 @@ class CORE_EXPORT SerializedScriptValue
   // The memory registration is revoked automatically in destructor.
   void registerMemoryAllocatedWithCurrentScriptContext();
 
-  // Returns true if the value contains a transferable ArrayBuffer.
-  bool containsTransferableArrayBuffer() const;
-
   String& data() { return m_data; }
   BlobDataHandleMap& blobDataHandles() { return m_blobDataHandles; }
   ArrayBufferContentsArray* getArrayBufferContentsArray() {