Remove uses of base::hash_map from //chrome

chrome/browser/android/data_usage/data_use_ui_tab_model.h

Index: chrome/browser/android/data_usage/data_use_ui_tab_model.h
diff --git a/chrome/browser/android/data_usage/data_use_ui_tab_model.h b/chrome/browser/android/data_usage/data_use_ui_tab_model.h
index fe33bd41bf13b690d68bd898aaa058527a01c61f..c57a2d388d4eb1ce8b0a852bfb0ff6d8dfe5acda 100644
--- a/chrome/browser/android/data_usage/data_use_ui_tab_model.h
+++ b/chrome/browser/android/data_usage/data_use_ui_tab_model.h
@@ -5,10 +5,10 @@
 #ifndef CHROME_BROWSER_ANDROID_DATA_USAGE_DATA_USE_UI_TAB_MODEL_H_
 #define CHROME_BROWSER_ANDROID_DATA_USAGE_DATA_USE_UI_TAB_MODEL_H_
 
+#include <map>
 #include <memory>
 #include <string>
 
-#include "base/containers/hash_tables.h"
 #include "base/gtest_prod_util.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
@@ -136,7 +136,7 @@ class DataUseUITabModel : public KeyedService,
     const std::string package;
   };
 
-  typedef base::hash_map<SessionID::id_type, DataUseTrackingEvent> TabEvents;
+  typedef std::map<SessionID::id_type, DataUseTrackingEvent> TabEvents;
 
   // DataUseTabModel::TabDataUseObserver implementation:
   void NotifyTrackingStarting(SessionID::id_type tab_id) override;