Make UMA_HISTOGRAM_ENUMERATION work with scoped enums.

chrome/browser/renderer_context_menu/render_view_context_menu.cc

 // Copyright 2014 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 "chrome/browser/renderer_context_menu/render_view_context_menu.h"
 
 #include <stddef.h>
 
 #include <algorithm>
 #include <set>
@@ skipping 837 matching lines @@
 }
 
 Profile* RenderViewContextMenu::GetProfile() {
   return Profile::FromBrowserContext(browser_context_);
 }
 
 void RenderViewContextMenu::RecordUsedItem(int id) {
   int enum_id = FindUMAEnumValueForCommand(id, GENERAL_ENUM_ID);
   if (enum_id != -1) {
     const size_t kMappingSize = arraysize(kUmaEnumToControlId);
-    UMA_HISTOGRAM_ENUMERATION("RenderViewContextMenu.Used", enum_id,
-                              kUmaEnumToControlId[kMappingSize - 1].enum_id);
+    UMA_HISTOGRAM_EXACT_LINEAR("RenderViewContextMenu.Used", enum_id,
+                               kUmaEnumToControlId[kMappingSize - 1].enum_id);
     // Record to additional context specific histograms.
     enum_id = FindUMAEnumValueForCommand(id, CONTEXT_SPECIFIC_ENUM_ID);
 
     // Linked image context.
     if (content_type_->SupportsGroup(ContextMenuContentType::ITEM_GROUP_LINK) &&
         content_type_->SupportsGroup(
             ContextMenuContentType::ITEM_GROUP_MEDIA_IMAGE)) {
-      UMA_HISTOGRAM_ENUMERATION("ContextMenu.SelectedOption.ImageLink", enum_id,
-                                kUmaEnumToControlId[kMappingSize - 1].enum_id);
+      UMA_HISTOGRAM_EXACT_LINEAR("ContextMenu.SelectedOption.ImageLink",
+                                 enum_id,
+                                 kUmaEnumToControlId[kMappingSize - 1].enum_id);
     }
     // Selected text context.
     if (content_type_->SupportsGroup(
             ContextMenuContentType::ITEM_GROUP_SEARCH_PROVIDER) &&
         content_type_->SupportsGroup(
             ContextMenuContentType::ITEM_GROUP_PRINT)) {
-      UMA_HISTOGRAM_ENUMERATION("ContextMenu.SelectedOption.SelectedText",
-                                enum_id,
-                                kUmaEnumToControlId[kMappingSize - 1].enum_id);
+      UMA_HISTOGRAM_EXACT_LINEAR("ContextMenu.SelectedOption.SelectedText",
+                                 enum_id,
+                                 kUmaEnumToControlId[kMappingSize - 1].enum_id);
     }
     // Misspelled word context.
     if (!params_.misspelled_word.empty()) {
-      UMA_HISTOGRAM_ENUMERATION("ContextMenu.SelectedOption.MisspelledWord",
-                                enum_id,
-                                kUmaEnumToControlId[kMappingSize - 1].enum_id);
+      UMA_HISTOGRAM_EXACT_LINEAR("ContextMenu.SelectedOption.MisspelledWord",
+                                 enum_id,
+                                 kUmaEnumToControlId[kMappingSize - 1].enum_id);
     }
   } else {
     NOTREACHED() << "Update kUmaEnumToControlId. Unhanded IDC: " << id;
   }
 }
 
 void RenderViewContextMenu::RecordShownItem(int id) {
   int enum_id = FindUMAEnumValueForCommand(id, GENERAL_ENUM_ID);
   if (enum_id != -1) {
     const size_t kMappingSize = arraysize(kUmaEnumToControlId);
-    UMA_HISTOGRAM_ENUMERATION("RenderViewContextMenu.Shown", enum_id,
-                              kUmaEnumToControlId[kMappingSize - 1].enum_id);
+    UMA_HISTOGRAM_EXACT_LINEAR("RenderViewContextMenu.Shown", enum_id,
+                               kUmaEnumToControlId[kMappingSize - 1].enum_id);
   } else {
     // Just warning here. It's harder to maintain list of all possibly
     // visible items than executable items.
     DLOG(ERROR) << "Update kUmaEnumToControlId. Unhanded IDC: " << id;
   }
 }
 
 bool RenderViewContextMenu::IsHTML5Fullscreen() const {
   Browser* browser = chrome::FindBrowserWithWebContents(source_web_contents_);
   if (!browser)
@@ skipping 1598 matching lines @@
 void RenderViewContextMenu::PluginActionAt(
     const gfx::Point& location,
     const WebPluginAction& action) {
   source_web_contents_->GetRenderViewHost()->
       ExecutePluginActionAtLocation(location, action);
 }
 
 Browser* RenderViewContextMenu::GetBrowser() const {
   return chrome::FindBrowserWithWebContents(embedder_web_contents_);
 }