Add missing using statements for JNI types.

content/browser/android/popup_touch_handle_drawable.cc

 // 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.
 
 #include "content/browser/android/popup_touch_handle_drawable.h"
 
 #include "content/public/browser/android/content_view_core.h"
 #include "jni/PopupTouchHandleDrawable_jni.h"
 
+using base::android::ScopedJavaLocalRef;
+
 namespace content {
 
 // static
 std::unique_ptr<PopupTouchHandleDrawable> PopupTouchHandleDrawable::Create(
     ContentViewCore* content_view_core,
     float dpi_scale) {
   DCHECK(content_view_core);
   base::android::ScopedJavaLocalRef<jobject> content_view_core_obj =
       content_view_core->GetJavaObject();
   if (content_view_core_obj.is_null())
@@ skipping 74 matching lines @@
       Java_PopupTouchHandleDrawable_getVisibleWidth(env, obj.obj()),
       Java_PopupTouchHandleDrawable_getVisibleHeight(env, obj.obj()));
   return gfx::ScaleRect(unscaled_rect, 1.f / dpi_scale_);
 }
 
 float PopupTouchHandleDrawable::GetDrawableHorizontalPaddingRatio() const {
   return drawable_horizontal_padding_ratio_;
 }
 
 }  // namespace content