bindings: Adds virtual ScriptWrappable::wrap method.

Source/core/html/ImageData.cpp

Index: Source/core/html/ImageData.cpp
diff --git a/Source/core/html/ImageData.cpp b/Source/core/html/ImageData.cpp
index a1f8e2e5fa936dd2c183dfa65c01ec0a738eb079..47210e9334dfc11919cc6f91dbc233b93d299402 100644
--- a/Source/core/html/ImageData.cpp
+++ b/Source/core/html/ImageData.cpp
@@ -30,6 +30,7 @@
 #include "core/html/ImageData.h"
 
 #include "bindings/core/v8/ExceptionState.h"
+#include "bindings/core/v8/custom/V8Uint8ClampedArrayCustom.h"
 #include "core/dom/ExceptionCode.h"
 #include "platform/RuntimeEnabledFeatures.h"
 
@@ -124,6 +125,21 @@ PassRefPtrWillBeRawPtr<ImageData> ImageData::create(Uint8ClampedArray* data, uns
     return adoptRefWillBeNoop(new ImageData(IntSize(width, height), data));
 }
 
+v8::Handle<v8::Object> ImageData::wrap(v8::Handle<v8::Object> creationContext, v8::Isolate* isolate)
+{
+    v8::Handle<v8::Object> wrapper = ScriptWrappable::wrap(creationContext, isolate);
+    if (!wrapper.IsEmpty()) {
+        // Create a V8 Uint8ClampedArray object.
+        v8::Handle<v8::Value> pixelArray = toV8(data(), creationContext, isolate);
+        // Set the "data" property of the ImageData object to
+        // the created v8 object, eliminating the C++ callback
+        // when accessing the "data" property.
+        if (!pixelArray.IsEmpty())
+            wrapper->ForceSet(v8AtomicString(isolate, "data"), pixelArray, v8::ReadOnly);
+    }
+    return wrapper;
+}
+
 ImageData::ImageData(const IntSize& size)
     : m_size(size)
     , m_data(Uint8ClampedArray::create(size.width() * size.height() * 4))
@@ -140,4 +156,3 @@ ImageData::ImageData(const IntSize& size, PassRefPtr<Uint8ClampedArray> byteArra
 }
 
 }
-