[LayoutNG] Fix enum values to conform to kEnumName in style guide.

third_party/WebKit/Source/core/layout/ng/ng_physical_fragment_base.h

 // Copyright 2016 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.
 
 #ifndef NGPhysicalFragmentBase_h
 #define NGPhysicalFragmentBase_h
 
 #include "core/CoreExport.h"
 #include "core/layout/ng/ng_break_token.h"
 #include "core/layout/ng/ng_constraint_space.h"
 #include "core/layout/ng/ng_units.h"
 #include "platform/LayoutUnit.h"
 #include "platform/heap/Handle.h"
 #include "wtf/Vector.h"
 
 namespace blink {
 
 // The NGPhysicalFragmentBase contains the output information from layout. The
 // fragment stores all of its information in the physical coordinate system for
 // use by paint, hit-testing etc.
 //
 // Layout code should only access output layout information through the
 // NGFragmentBase classes which transforms information into the logical
 // coordinate system.
 class CORE_EXPORT NGPhysicalFragmentBase
     : public GarbageCollectedFinalized<NGPhysicalFragmentBase> {
  public:
-  enum NGFragmentType { FragmentBox = 0, FragmentText = 1 };
+  enum NGFragmentType { kFragmentBox = 0, kFragmentText = 1 };
 
   NGFragmentType Type() const { return static_cast<NGFragmentType>(type_); }
 
   // The accessors in this class shouldn't be used by layout code directly,
   // instead should be accessed by the NGFragmentBase classes. These accessors
   // exist for paint, hit-testing, etc.
 
   // Returns the border-box size.
   NGPhysicalSize Size() const { return size_; }
   LayoutUnit Width() const { return size_.width; }
@@ skipping 42 matching lines @@
   NGPhysicalOffset offset_;
   Member<NGBreakToken> break_token_;
 
   unsigned type_ : 1;
   unsigned has_been_placed_ : 1;
 };
 
 }  // namespace blink
 
 #endif  // NGFragmentBase_h