Remove uses of base::hash_map from //chrome

chrome/renderer/extensions/automation_internal_custom_bindings.h

 // 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.
 
 #ifndef CHROME_RENDERER_EXTENSIONS_AUTOMATION_INTERNAL_CUSTOM_BINDINGS_H_
 #define CHROME_RENDERER_EXTENSIONS_AUTOMATION_INTERNAL_CUSTOM_BINDINGS_H_
 
+#include <map>
+#include <vector>
+
 #include "base/compiler_specific.h"
 #include "base/macros.h"
 #include "chrome/common/extensions/api/automation.h"
 #include "extensions/renderer/object_backed_native_handler.h"
 #include "ipc/ipc_message.h"
 #include "ui/accessibility/ax_tree.h"
 #include "v8/include/v8.h"
 
 struct ExtensionMsg_AccessibilityEventParams;
 struct ExtensionMsg_AccessibilityLocationChangeParams;
@@ skipping 153 matching lines @@
   void OnNodeChanged(ui::AXTree* tree, ui::AXNode* node) override;
   void OnAtomicUpdateFinished(ui::AXTree* tree,
                               bool root_changed,
                               const std::vector<Change>& changes) override;
   void SendTreeChangeEvent(api::automation::TreeChangeType change_type,
                            ui::AXTree* tree,
                            ui::AXNode* node);
   void SendChildTreeIDEvent(ui::AXTree* tree, ui::AXNode* node);
   void SendNodesRemovedEvent(ui::AXTree* tree, const std::vector<int>& ids);
 
-  base::hash_map<int, TreeCache*> tree_id_to_tree_cache_map_;
-  base::hash_map<ui::AXTree*, TreeCache*> axtree_to_tree_cache_map_;
+  std::map<int, TreeCache*> tree_id_to_tree_cache_map_;
+  std::map<ui::AXTree*, TreeCache*> axtree_to_tree_cache_map_;
   scoped_refptr<AutomationMessageFilter> message_filter_;
   bool is_active_profile_;
   std::vector<TreeChangeObserver> tree_change_observers_;
   // A bit-map of api::automation::TreeChangeObserverFilter.
   int tree_change_observer_overall_filter_;
   std::vector<int> deleted_node_ids_;
   std::vector<int> text_changed_node_ids_;
   ExtensionBindingsSystem* bindings_system_;
   bool should_ignore_context_;
 
   DISALLOW_COPY_AND_ASSIGN(AutomationInternalCustomBindings);
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_RENDERER_EXTENSIONS_AUTOMATION_INTERNAL_CUSTOM_BINDINGS_H_