Remove custom counts histogram from the blink API.

third_party/WebKit/Source/platform/fonts/FontCache.cpp

 /*
  * Copyright (C) 2006, 2008 Apple Inc. All rights reserved.
  * Copyright (C) 2007 Nicholas Shanks <webkit@nickshanks.com>
  *
  * 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.
@@ skipping 13 matching lines @@
  * 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.
  */
 
 #include "platform/fonts/FontCache.h"
 
 #include "platform/FontFamilyNames.h"
 
+#include "platform/Histogram.h"
 #include "platform/RuntimeEnabledFeatures.h"
 #include "platform/fonts/AlternateFontFamily.h"
 #include "platform/fonts/FontCacheClient.h"
 #include "platform/fonts/FontCacheKey.h"
 #include "platform/fonts/FontDataCache.h"
 #include "platform/fonts/FontDescription.h"
 #include "platform/fonts/FontPlatformData.h"
 #include "platform/fonts/FontSmoothingMode.h"
 #include "platform/fonts/SimpleFontData.h"
 #include "platform/fonts/TextRenderingMode.h"
@@ skipping 234 matching lines @@
 {
     unsigned items = 0;
     if (gFallbackListShaperCache) {
         FallbackListShaperCache::iterator iter;
         for (iter = gFallbackListShaperCache->begin();
             iter != gFallbackListShaperCache->end(); ++iter) {
             items += iter->value->size();
         }
         gFallbackListShaperCache->clear();
     }
-    Platform::current()->histogramCustomCounts("Blink.Fonts.ShapeCache", items, 1, 1000000, 50);
+    DEFINE_STATIC_LOCAL(CustomCountHistogram, shapeCacheHistogram, ("Blink.Fonts.ShapeCache", 1, 1000000, 50));
+    shapeCacheHistogram.count(items);
 }
 
 void FontCache::invalidateShapeCache()
 {
     purgeFallbackListShaperCache();
 }
 
 void FontCache::purge(PurgeSeverity PurgeSeverity)
 {
     // We should never be forcing the purge while the FontCachePurgePreventer is in scope.
@@ skipping 93 matching lines @@
         iter != gFallbackListShaperCache->end();
         ++iter) {
         shapeResultCacheSize += iter->value->byteSize();
     }
     dump->addScalar("size", "bytes", shapeResultCacheSize);
     memoryDump->addSuballocation(dump->guid(), String(WTF::Partitions::kAllocatedObjectPoolName));
 }
 
 
 } // namespace blink