Use dictionaries for context creation attributes. Eliminate custom bindings.

Source/bindings/core/v8/WrapCanvasContext.cpp

Index: Source/bindings/core/v8/WrapCanvasContext.cpp
diff --git a/Source/bindings/core/v8/WrapCanvasContext.cpp b/Source/bindings/core/v8/WrapCanvasContext.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..559dfd021b1bdbc1fedc997c976db5eed8090f7b
--- /dev/null
+++ b/Source/bindings/core/v8/WrapCanvasContext.cpp
@@ -0,0 +1,41 @@
+// 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.
+
+#include "config.h"
+#include "bindings/core/v8/WrapCanvasContext.h"
+
+#include "bindings/core/v8/V8CanvasRenderingContext2D.h"
+#include "bindings/core/v8/V8WebGLRenderingContext.h"
+#include "core/html/HTMLCanvasElement.h"
+#include "core/inspector/InspectorCanvasInstrumentation.h"
+
+namespace blink {
+
+ScriptValue wrapCanvasContext(ScriptState* scriptState, HTMLCanvasElement* canvas, PassRefPtrWillBeRawPtr<CanvasRenderingContext2D> value)
+{
+    v8::Handle<v8::Value> v8Result = toV8(value, scriptState->context()->Global(), scriptState->isolate());
+    ScriptValue context(scriptState, v8Result);
+    if (InspectorInstrumentation::canvasAgentEnabled(&canvas->document())) {
+        ScriptValue wrapped = InspectorInstrumentation::wrapCanvas2DRenderingContextForInstrumentation(&canvas->document(), context);
+        if (!wrapped.isEmpty()) {
+            return wrapped;
+        }
+    }
+    return context;
+}
+
+ScriptValue wrapCanvasContext(ScriptState* scriptState, HTMLCanvasElement* canvas, PassRefPtrWillBeRawPtr<WebGLRenderingContext> value)
+{
+    v8::Handle<v8::Value> v8Result = toV8(value, scriptState->context()->Global(), scriptState->isolate());
+    ScriptValue context(scriptState, v8Result);
+    if (InspectorInstrumentation::canvasAgentEnabled(&canvas->document())) {
+        ScriptValue wrapped = InspectorInstrumentation::wrapWebGLRenderingContextForInstrumentation(&canvas->document(), context);
+        if (!wrapped.isEmpty()) {
+            return wrapped;
+        }
+    }
+    return context;
+}
+
+} // namespace blink