[Android] Upstream Modal Dialogs functionality

content/browser/android/content_view_core_impl.cc

 // Copyright (c) 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 "content/browser/android/content_view_core_impl.h"
 
 #include "base/android/jni_android.h"
 #include "base/android/jni_array.h"
 #include "base/android/jni_string.h"
 #include "base/android/scoped_java_ref.h"
@@ skipping 133 matching lines @@
 }
 
 RenderWidgetHostViewAndroid*
     ContentViewCoreImpl::GetRenderWidgetHostViewAndroid() {
   RenderWidgetHostView* rwhv = NULL;
   if (web_contents_)
     rwhv = web_contents_->GetRenderWidgetHostView();
   return static_cast<RenderWidgetHostViewAndroid*>(rwhv);
 }
 
+ScopedJavaLocalRef<jobject> ContentViewCoreImpl::GetJavaObject() {
+  JNIEnv* env = AttachCurrentThread();
+  return java_ref_.get(env);
+}
+
 // ----------------------------------------------------------------------------
 // Methods called from Java via JNI
 // ----------------------------------------------------------------------------
 
 void ContentViewCoreImpl::SelectPopupMenuItems(JNIEnv* env, jobject obj,
                                                jintArray indices) {
   RenderViewHostImpl* rvhi = static_cast<RenderViewHostImpl*>(
       web_contents_->GetRenderViewHost());
   DCHECK(rvhi);
   if (indices == NULL) {
@@ skipping 462 matching lines @@
   if (!HasField(env, clazz, "mNativeContentViewCore", "I")) {
     DLOG(ERROR) << "Unable to find ContentView.mNativeContentViewCore!";
     return false;
   }
   g_native_content_view = GetFieldID(env, clazz, "mNativeContentViewCore", "I");
 
   return RegisterNativesImpl(env) >= 0;
 }
 
 }  // namespace content