Pass JavaRef to WebContents::FromJavaWebContents.

chrome/browser/android/find_in_page/find_in_page_bridge.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_BROWSER_ANDROID_FIND_IN_PAGE_FIND_IN_PAGE_BRIDGE_H_
 #define CHROME_BROWSER_ANDROID_FIND_IN_PAGE_FIND_IN_PAGE_BRIDGE_H_
 
 #include <jni.h>
 
 #include "base/android/jni_weak_ref.h"
 #include "base/macros.h"
 #include "content/public/browser/web_contents.h"
 
 class FindInPageBridge {
  public:
-  FindInPageBridge(JNIEnv* env, jobject obj, jobject j_web_contents);
+  FindInPageBridge(JNIEnv* env,
+                   const base::android::JavaRef<jobject>& obj,
+                   const base::android::JavaRef<jobject>& j_web_contents);
   void Destroy(JNIEnv*, const base::android::JavaParamRef<jobject>&);
 
   void StartFinding(JNIEnv* env,
                     const base::android::JavaParamRef<jobject>& obj,
                     const base::android::JavaParamRef<jstring>& search_string,
                     jboolean forward_direction,
                     jboolean case_sensitive);
 
   void StopFinding(JNIEnv* env,
                    const base::android::JavaParamRef<jobject>& obj,
@@ skipping 20 matching lines @@
   static bool RegisterFindInPageBridge(JNIEnv* env);
 
  private:
   content::WebContents* web_contents_;
   JavaObjectWeakGlobalRef weak_java_ref_;
 
   DISALLOW_COPY_AND_ASSIGN(FindInPageBridge);
 };
 
 #endif  // CHROME_BROWSER_ANDROID_FIND_IN_PAGE_FIND_IN_PAGE_BRIDGE_H_