Add missing using statements for JNI types.

chrome/browser/android/tab_android.cc

 // Copyright 2012 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.
 
 #include "chrome/browser/android/tab_android.h"
 
 #include <stddef.h>
 
 #include "base/android/jni_android.h"
 #include "base/android/jni_string.h"
@@ skipping 73 matching lines @@
 #include "ui/base/resource/resource_bundle.h"
 #include "ui/base/window_open_disposition.h"
 #include "ui/display/display.h"
 #include "ui/display/screen.h"
 #include "ui/gfx/android/java_bitmap.h"
 #include "ui/gfx/favicon_size.h"
 #include "ui/gfx/image/image_skia.h"
 
 using base::android::AttachCurrentThread;
 using base::android::ConvertUTF8ToJavaString;
+using base::android::JavaParamRef;
 using content::BrowserThread;
 using content::GlobalRequestID;
 using content::NavigationController;
 using content::WebContents;
 using navigation_interception::InterceptNavigationDelegate;
 using navigation_interception::NavigationParams;
 
 TabAndroid* TabAndroid::FromWebContents(
   const content::WebContents* web_contents) {
   const CoreTabHelper* core_tab_helper = CoreTabHelper::FromWebContents(
@@ skipping 789 matching lines @@
 static void Init(JNIEnv* env, const JavaParamRef<jobject>& obj) {
   TRACE_EVENT0("native", "TabAndroid::Init");
   // This will automatically bind to the Java object and pass ownership there.
   new TabAndroid(env, obj);
 }
 
 // static
 bool TabAndroid::RegisterTabAndroid(JNIEnv* env) {
   return RegisterNativesImpl(env);
 }