Pass JavaRef to Java methods in ui.

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"
 #include "base/macros.h"
 #include "base/trace_event/memory_dump_provider.h"
 #include "third_party/skia/include/core/SkColor.h"
 #include "ui/android/resources/resource_manager.h"
 #include "ui/android/ui_android_export.h"
 #include "ui/gfx/geometry/rect.h"
 #include "ui/gfx/native_widget_types.h"
 
 namespace cc {
 class UIResourceManager;
 }  // namespace cc
 
 namespace ui {
 
 class UI_ANDROID_EXPORT ResourceManagerImpl
     : public ResourceManager,
       public base::trace_event::MemoryDumpProvider {
  public:
-  static ResourceManagerImpl* FromJavaObject(jobject jobj);
+  static ResourceManagerImpl* FromJavaObject(
+      const base::android::JavaRef<jobject>& jobj);
 
   explicit ResourceManagerImpl(gfx::NativeWindow native_window);
   ~ResourceManagerImpl() override;
 
   void Init(cc::UIResourceManager* ui_resource_manager);
 
   // ResourceManager implementation.
   base::android::ScopedJavaLocalRef<jobject> GetJavaObject() override;
   Resource* GetResource(AndroidResourceType res_type, int res_id) override;
   Resource* GetStaticResourceWithTint(
@@ skipping 70 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_