chrome: Use stl utilities from the base namespace

chrome/browser/printing/print_preview_data_service.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 "chrome/browser/printing/print_preview_data_service.h"
 
 #include "base/macros.h"
 #include "base/memory/ref_counted_memory.h"
 #include "base/memory/singleton.h"
 #include "base/stl_util.h"
@@ skipping 34 matching lines @@
                               scoped_refptr<base::RefCountedBytes> data) {
     if (IsInvalidIndex(index))
       return;
 
     page_data_map_[index] = std::move(data);
   }
 
   // Returns the available draft page count.
   int GetAvailableDraftPageCount() {
     int page_data_map_size = page_data_map_.size();
-    if (ContainsKey(page_data_map_, printing::COMPLETE_PREVIEW_DOCUMENT_INDEX))
+    if (base::ContainsKey(page_data_map_,
+                          printing::COMPLETE_PREVIEW_DOCUMENT_INDEX))
       page_data_map_size--;
     return page_data_map_size;
   }
 
  private:
   friend class base::RefCounted<PrintPreviewDataStore>;
 
   // 1:1 relationship between page index and its associated preview data.
   // Key: Page index is zero-based and can be
   // |printing::COMPLETE_PREVIEW_DOCUMENT_INDEX| to represent complete preview
@@ skipping 32 matching lines @@
   *data_bytes = nullptr;
   PreviewDataStoreMap::const_iterator it = data_store_map_.find(preview_ui_id);
   if (it != data_store_map_.end())
     it->second->GetPreviewDataForIndex(index, data_bytes);
 }
 
 void PrintPreviewDataService::SetDataEntry(
     int32_t preview_ui_id,
     int index,
     scoped_refptr<base::RefCountedBytes> data_bytes) {
-  if (!ContainsKey(data_store_map_, preview_ui_id)) {
+  if (!base::ContainsKey(data_store_map_, preview_ui_id)) {
     data_store_map_[preview_ui_id] =
         make_scoped_refptr(new PrintPreviewDataStore());
   }
 
   data_store_map_[preview_ui_id]->SetPreviewDataForIndex(index,
                                                          std::move(data_bytes));
 }
 
 void PrintPreviewDataService::RemoveEntry(int32_t preview_ui_id) {
   data_store_map_.erase(preview_ui_id);
 }
 
 int PrintPreviewDataService::GetAvailableDraftPageCount(int32_t preview_ui_id) {
   PreviewDataStoreMap::const_iterator it = data_store_map_.find(preview_ui_id);
   return (it == data_store_map_.end()) ?
       0 : it->second->GetAvailableDraftPageCount();
 }