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

third_party/WebKit/Source/core/layout/ng/ng_layout_algorithm.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 NGLayoutAlgorithm_h
 #define NGLayoutAlgorithm_h
 
 #include "core/CoreExport.h"
 #include "platform/heap/Handle.h"
 #include "wtf/Allocator.h"
 #include "wtf/Noncopyable.h"
 
 namespace blink {
 
 struct MinAndMaxContentSizes;
 class NGBlockNode;
 class NGConstraintSpace;
 class NGFragmentBase;
 class NGPhysicalFragmentBase;
 class NGPhysicalFragment;
 
-enum NGLayoutStatus { NotFinished, ChildAlgorithmRequired, NewFragment };
+enum NGLayoutStatus { kNotFinished, kChildAlgorithmRequired, kNewFragment };
 
 // Base class for all LayoutNG algorithms.
 class CORE_EXPORT NGLayoutAlgorithm
     : public GarbageCollectedFinalized<NGLayoutAlgorithm> {
   WTF_MAKE_NONCOPYABLE(NGLayoutAlgorithm);
 
  public:
   NGLayoutAlgorithm() {}
   virtual ~NGLayoutAlgorithm() {}
 
   // Actual layout function. Lays out the children and descendents within the
   // constraints given by the NGConstraintSpace. Returns a fragment with the
   // resulting layout information.
   // This function can not be const because for interruptible layout, we have
   // to be able to store state information.
   // If this function returns NotFinished, it has to be called again.
   // If it returns ChildAlgorithmRequired, the NGBlockNode out parameter will
   // be set with the NGBlockNode that needs to be layed out next.
   // If it returns NewFragment, the NGPhysicalFragmentBase out parameter
   // will contain the new fragment.
   virtual NGLayoutStatus Layout(NGFragmentBase*,
                                 NGPhysicalFragmentBase**,
                                 NGLayoutAlgorithm**) = 0;
 
-  enum MinAndMaxState { Success, Pending, NotImplemented };
+  enum MinAndMaxState { kSuccess, kPending, kNotImplemented };
 
   // Computes the min-content and max-content intrinsic sizes for the given box.
   // The result will not take any min-width. max-width or width properties into
   // account. Implementations can return NotImplemented, in which case the
   // caller is expected to synthesize this value from the overflow rect returned
   // from Layout called with a available width of 0 and LayoutUnit::max(),
   // respectively.
   // A Pending return value has the same meaning as a false return from layout,
   // i.e. it is a request to call this function again.
   virtual MinAndMaxState ComputeMinAndMaxContentSizes(MinAndMaxContentSizes*) {
-    return NotImplemented;
+    return kNotImplemented;
   }
 
   DEFINE_INLINE_VIRTUAL_TRACE() {}
 };
 
 }  // namespace blink
 
 #endif  // NGLayoutAlgorithm_h