Fix sky include guards to match Chromium style

sky/engine/wtf/DynamicAnnotations.h

 /*
  * Copyright (C) 2011 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.
  *     * Neither the name of Google Inc. nor the names of its
  * contributors may be used to endorse or promote products derived from
  * this software without specific prior written permission.
  *
  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  * 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 WTF_DynamicAnnotations_h
-#define WTF_DynamicAnnotations_h
+#ifndef SKY_ENGINE_WTF_DYNAMICANNOTATIONS_H_
+#define SKY_ENGINE_WTF_DYNAMICANNOTATIONS_H_
 
 /* This file defines dynamic annotations for use with dynamic analysis
  * tool such as ThreadSanitizer, Valgrind, etc.
  *
  * Dynamic annotation is a source code annotation that affects
  * the generated code (that is, the annotation is not a comment).
  * Each such annotation is attached to a particular
  * instruction and/or to a particular object (address) in the program.
  *
  * By using dynamic annotations a developer can give more details to the dynamic
@@ skipping 49 matching lines @@
 
 #else // USE(DYNAMIC_ANNOTATIONS)
 /* These macros are empty when dynamic annotations are not enabled so you can
  * use them without affecting the performance of release binaries. */
 #define WTF_ANNOTATE_BENIGN_RACE_SIZED(address, size, description)
 #define WTF_ANNOTATE_BENIGN_RACE(pointer, description)
 #define WTF_ANNOTATE_HAPPENS_BEFORE(address)
 #define WTF_ANNOTATE_HAPPENS_AFTER(address)
 #endif // USE(DYNAMIC_ANNOTATIONS)
 
-#endif // WTF_DynamicAnnotations_h
+#endif  // SKY_ENGINE_WTF_DYNAMICANNOTATIONS_H_