I added another histogram into the DuplicateContentResourceHandler. The histogram is meant to keep …

content/browser/renderer_host/duplicate_content_resource_handler.cc

 // Copyright (c) 2012 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.
 
 #include "content/browser/renderer_host/duplicate_content_resource_handler.h"
 
 #include <set>
 
 #include "base/lazy_instance.h"
 #include "base/logging.h"
@@ skipping 99 matching lines @@
   std::set<MH_UINT32>* content_and_url_matches =
       GlobalDuplicateRecords::GetInstance()->content_and_url_matches();
 
   const bool did_match_contents = content_matches->count(contents_hash) > 0;
   const bool did_match_contents_and_url =
       content_and_url_matches->count(hashed_with_url) > 0;
 
   UMA_HISTOGRAM_BOOLEAN("Duplicate.Hits", did_match_contents);
   UMA_HISTOGRAM_BOOLEAN("Duplicate.HitsSameUrl",
                          did_match_contents && did_match_contents_and_url);
+  UMA_HISTOGRAM_ENUMERATION("Duplicate.ResourceType.All", resource_type_,
+                             ResourceType::LAST_TYPE);
   if (did_match_contents && !did_match_contents_and_url) {
     content_and_url_matches->insert(hashed_with_url);
     UMA_HISTOGRAM_CUSTOM_COUNTS("Duplicate.Size.HashHitUrlMiss", bytes_read_,
                                  1, 0x7FFFFFFF, 50);
     UMA_HISTOGRAM_ENUMERATION("Duplicate.ResourceType.HashHitUrlMiss",
                                resource_type_, ResourceType::LAST_TYPE);
   }
   content_matches->insert(contents_hash);
   content_and_url_matches->insert(hashed_with_url);
 
   bytes_read_ = 0;
   read_buffer_ = NULL;
 }
 
 }  // namespace content