Fix sky include guards to match Chromium style

sky/engine/bindings/core/v8/DOMDataStore.h

 /*
  * Copyright (C) 2009 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 10 matching lines @@
  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#ifndef DOMDataStore_h
-#define DOMDataStore_h
+#ifndef SKY_ENGINE_BINDINGS_CORE_V8_DOMDATASTORE_H_
+#define SKY_ENGINE_BINDINGS_CORE_V8_DOMDATASTORE_H_
 
 #include "sky/engine/bindings/core/v8/DOMWrapperMap.h"
 #include "sky/engine/bindings/core/v8/DOMWrapperWorld.h"
 #include "sky/engine/bindings/core/v8/ScriptWrappable.h"
 #include "sky/engine/bindings/core/v8/WrapperTypeInfo.h"
 #include "sky/engine/wtf/Noncopyable.h"
 #include "sky/engine/wtf/StdLibExtras.h"
 #include "v8/include/v8.h"
 
 namespace blink {
@@ skipping 262 matching lines @@
     v8::Isolate* isolate,
     v8::UniquePersistent<v8::Object> value,
     ScriptWrappableBase* key)
 {
     RELEASE_ASSERT(!value.IsEmpty()); // See crbug.com/368095.
     releaseObject(v8::Local<v8::Object>::New(isolate, value));
 }
 
 } // namespace blink
 
-#endif // DOMDataStore_h
+#endif  // SKY_ENGINE_BINDINGS_CORE_V8_DOMDATASTORE_H_