[Android] Implement renderer side of Gin Java Bridge

base/id_map.h

 // Copyright (c) 2011 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 BASE_ID_MAP_H_
 #define BASE_ID_MAP_H_
 
 #include <set>
 
 #include "base/basictypes.h"
@@ skipping 14 matching lines @@
 // item in the list).
 //
 // Items can be inserted into the container with arbitrary ID, but the caller
 // must ensure they are unique. Inserting IDs and relying on automatically
 // generated ones is not allowed because they can collide.
 //
 // This class does not have a virtual destructor, do not inherit from it when
 // ownership semantics are set to own because pointers will leak.
 template<typename T, IDMapOwnershipSemantics OS = IDMapExternalPointer>
 class IDMap : public base::NonThreadSafe {
+ public:
+  typedef int32 KeyType;
+
  private:
-  typedef int32 KeyType;
   typedef base::hash_map<KeyType, T*> HashTable;
 
  public:
   IDMap() : iteration_depth_(0), next_id_(1), check_on_null_data_(false) {
     // A number of consumers of IDMap create it on one thread but always access
     // it from a different, but consitent, thread post-construction.
     DetachFromThread();
   }
 
   ~IDMap() {
@@ skipping 201 matching lines @@
 
   HashTable data_;
 
   // See description above setter.
   bool check_on_null_data_;
 
   DISALLOW_COPY_AND_ASSIGN(IDMap);
 };
 
 #endif  // BASE_ID_MAP_H_