Fix sky include guards to match Chromium style

sky/engine/core/rendering/TextRunConstructor.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2007 David Smith (catfish.man@gmail.com)
  * Copyright (C) 2003-2013 Apple Inc. All rights reserved.
  * Copyright (C) Research In Motion Limited 2010. All rights reserved.
  * Copyright (C) 2013 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
@@ skipping 15 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 TextRunConstructor_h
-#define TextRunConstructor_h
+#ifndef SKY_ENGINE_CORE_RENDERING_TEXTRUNCONSTRUCTOR_H_
+#define SKY_ENGINE_CORE_RENDERING_TEXTRUNCONSTRUCTOR_H_
 
 #include "sky/engine/platform/text/TextDirection.h"
 #include "sky/engine/platform/text/TextRun.h"
 #include "sky/engine/wtf/text/WTFString.h"
 #include "sky/engine/wtf/unicode/Unicode.h"
 
 namespace blink {
 
 class Font;
 class RenderObject;
@@ skipping 28 matching lines @@
     TextRun::ExpansionBehavior = TextRun::AllowTrailingExpansion | TextRun::ForbidLeadingExpansion);
 
 TextRun constructTextRun(RenderObject* context, const Font&, const LChar* characters, int length, RenderStyle*, TextDirection,
     TextRun::ExpansionBehavior = TextRun::AllowTrailingExpansion | TextRun::ForbidLeadingExpansion);
 
 TextRun constructTextRun(RenderObject* context, const Font&, const UChar* characters, int length, RenderStyle*, TextDirection,
     TextRun::ExpansionBehavior = TextRun::AllowTrailingExpansion | TextRun::ForbidLeadingExpansion);
 
 } // namespace blink
 
-#endif
+#endif  // SKY_ENGINE_CORE_RENDERING_TEXTRUNCONSTRUCTOR_H_