histogram API of WebKitClient implemented in chromium/webkit/glue

webkit/glue/webkitclient_impl.h

 // Copyright (c) 2010 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 WEBKIT_CLIENT_IMPL_H_
 #define WEBKIT_CLIENT_IMPL_H_
 
 #include "base/platform_file.h"
 #include "base/timer.h"
 #include "third_party/WebKit/WebKit/chromium/public/WebKitClient.h"
@@ skipping 27 matching lines @@
       unsigned key_size_index, const WebKit::WebString& challenge,
       const WebKit::WebURL& url);
   virtual size_t memoryUsageMB();
   virtual size_t actualMemoryUsageMB();
   virtual WebKit::WebURLLoader* createURLLoader();
   virtual WebKit::WebSocketStreamHandle* createSocketStreamHandle();
   virtual WebKit::WebString userAgent(const WebKit::WebURL& url);
   virtual void getPluginList(bool refresh, WebKit::WebPluginListBuilder*);
   virtual void decrementStatsCounter(const char* name);
   virtual void incrementStatsCounter(const char* name);
+  virtual void histogramCustomCounts(
+    const char* name, int sample, int min, int max, int bucket_count);
+  virtual void histogramEnumeration(
+    const char* name, int sample, int boundary_value);
   virtual void traceEventBegin(const char* name, void* id, const char* extra);
   virtual void traceEventEnd(const char* name, void* id, const char* extra);
   virtual WebKit::WebData loadResource(const char* name);
   virtual WebKit::WebString queryLocalizedString(
       WebKit::WebLocalizedString::Name name);
   virtual WebKit::WebString queryLocalizedString(
       WebKit::WebLocalizedString::Name name, int numeric_value);
   virtual WebKit::WebString queryLocalizedString(
       WebKit::WebLocalizedString::Name name, const WebKit::WebString& value);
   virtual WebKit::WebString queryLocalizedString(
@@ skipping 22 matching lines @@
   int shared_timer_suspended_;  // counter
 
 #if defined(OS_WIN) || defined(OS_LINUX)
   WebThemeEngineImpl theme_engine_;
 #endif
 };
 
 }  // namespace webkit_glue
 
 #endif  // WEBKIT_CLIENT_IMPL_H_