Fix g_k_* symbols after blink rename.

third_party/WebKit/Source/core/layout/compositing/CompositedLayerMapping.cpp

 /*
  * Copyright (C) 2009, 2010, 2011 Apple 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:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 3411 matching lines @@
 #if DCHECK_IS_ON()
 void CompositedLayerMapping::VerifyNotPainting() {
   DCHECK(!GetLayoutObject().GetFrame()->GetPage() ||
          !GetLayoutObject().GetFrame()->GetPage()->IsPainting());
 }
 #endif
 
 // Only used for performance benchmark testing. Intended to be a
 // sufficiently-unique element id name to allow picking out the target element
 // for invalidation.
-static const char* g_k_test_paint_invalidation_target_name =
+static const char kTestPaintInvalidationTargetName[] =
     "blinkPaintInvalidationTarget";
 
 void CompositedLayerMapping::InvalidateTargetElementForTesting() {
   // The below is an artificial construct formed intentionally to focus a
   // microbenchmark on the cost of paint with a partial invalidation.
   Element* target_element =
       owning_layer_.GetLayoutObject().GetDocument().GetElementById(
-          AtomicString(g_k_test_paint_invalidation_target_name));
+          AtomicString(kTestPaintInvalidationTargetName));
   // TODO(wkorman): If we don't find the expected target element, we could
   // consider walking to the first leaf node so that the partial-invalidation
   // benchmark mode still provides some value when running on generic pages.
   if (!target_element)
     return;
   LayoutObject* target_object = target_element->GetLayoutObject();
   if (!target_object)
     return;
   target_object->EnclosingLayer()->SetNeedsRepaint();
   // TODO(wkorman): Consider revising the below to invalidate all
@@ skipping 157 matching lines @@
   } else if (graphics_layer == decoration_outline_layer_.get()) {
     name = "Decoration Layer";
   } else {
     NOTREACHED();
   }
 
   return name;
 }
 
 }  // namespace blink