Remove title resources when they are no longer used

ui/android/resources/resource_manager_impl.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 UI_ANDROID_RESOURCES_RESOURCE_MANAGER_IMPL_H_
 #define UI_ANDROID_RESOURCES_RESOURCE_MANAGER_IMPL_H_
 
 #include <memory>
 
 #include "base/android/scoped_java_ref.h"
@@ skipping 56 matching lines @@
       const base::android::JavaRef<jobjectArray>& frame_rects,
       jint unscaled_sprite_width,
       jint unscaled_sprite_height,
       jfloat scaled_sprite_width,
       jfloat scaled_sprite_height);
   void OnCrushedSpriteResourceReloaded(
       JNIEnv* env,
       const base::android::JavaRef<jobject>& jobj,
       jint bitmap_res_id,
       const base::android::JavaRef<jobject>& bitmap);
+  void RemoveResource(
+      JNIEnv* env,
+      const base::android::JavaRef<jobject>& jobj,
+      jint res_type,
+      jint res_id);
   void ClearTintedResourceCache(JNIEnv* env,
       const base::android::JavaRef<jobject>& jobj);
 
   static bool RegisterResourceManager(JNIEnv* env);
 
   // Helper method for processing crushed sprite metadata; public for testing.
   CrushedSpriteResource::SrcDstRects ProcessCrushedSpriteFrameRects(
       std::vector<std::vector<int>> frame_rects_vector);
 
   // base::trace_event::MemoryDumpProvider implementation.
@@ skipping 24 matching lines @@
   TintedResourceMap tinted_resources_;
 
   base::android::ScopedJavaGlobalRef<jobject> java_obj_;
 
   DISALLOW_COPY_AND_ASSIGN(ResourceManagerImpl);
 };
 
 }  // namespace ui
 
 #endif  // UI_ANDROID_RESOURCES_RESOURCE_MANAGER_IMPL_H_