android: Don't pass ScopedJavaGlobalRef pointers.

content/browser/web_contents/web_contents_android.h

 // Copyright 2013 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 CONTENT_BROWSER_WEB_CONTENTS_WEB_CONTENTS_ANDROID_H_
 #define CONTENT_BROWSER_WEB_CONTENTS_WEB_CONTENTS_ANDROID_H_
 
 #include <jni.h>
 
 #include <memory>
@@ skipping 172 matching lines @@
                     const base::android::JavaParamRef<jobject>& jcallback);
   void DismissTextHandles(JNIEnv* env,
                           const base::android::JavaParamRef<jobject>& obj);
 
   void SetMediaSession(
       const base::android::ScopedJavaLocalRef<jobject>& j_media_session);
 
  private:
   RenderWidgetHostViewAndroid* GetRenderWidgetHostViewAndroid();
 
-  void OnFinishGetContentBitmap(
-      base::android::ScopedJavaGlobalRef<jobject>* obj,
-      base::android::ScopedJavaGlobalRef<jobject>* callback,
-      const SkBitmap& bitmap,
-      ReadbackResponse response);
+  void OnFinishGetContentBitmap(const base::android::JavaRef<jobject>& obj,
+                                const base::android::JavaRef<jobject>& callback,
+                                const SkBitmap& bitmap,
+                                ReadbackResponse response);
 
-  void OnFinishDownloadImage(
-      base::android::ScopedJavaGlobalRef<jobject>* obj,
-      base::android::ScopedJavaGlobalRef<jobject>* callback,
-      int id,
-      int http_status_code,
-      const GURL& url,
-      const std::vector<SkBitmap>& bitmaps,
-      const std::vector<gfx::Size>& sizes);
+  void OnFinishDownloadImage(const base::android::JavaRef<jobject>& obj,
+                             const base::android::JavaRef<jobject>& callback,
+                             int id,
+                             int http_status_code,
+                             const GURL& url,
+                             const std::vector<SkBitmap>& bitmaps,
+                             const std::vector<gfx::Size>& sizes);
 
   WebContentsImpl* web_contents_;
   NavigationControllerAndroid navigation_controller_;
   base::android::ScopedJavaGlobalRef<jobject> obj_;
 
   base::WeakPtrFactory<WebContentsAndroid> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(WebContentsAndroid);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_WEB_CONTENTS_WEB_CONTENTS_ANDROID_H_