Revert of Add Java wrapper for RenderFrameHost

content/browser/web_contents/web_contents_android.cc

 // 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.
 
 #include "content/browser/web_contents/web_contents_android.h"
 
 #include <stdint.h>
 
 #include "base/android/jni_android.h"
 #include "base/android/jni_array.h"
@@ skipping 276 matching lines @@
 
 base::android::ScopedJavaLocalRef<jobject>
 WebContentsAndroid::GetTopLevelNativeWindow(JNIEnv* env,
                                             const JavaParamRef<jobject>& obj) {
   ui::WindowAndroid* window_android = web_contents_->GetTopLevelNativeWindow();
   if (!window_android)
     return nullptr;
   return window_android->GetJavaObject();
 }
 
-ScopedJavaLocalRef<jobject> WebContentsAndroid::GetMainFrame(
-    JNIEnv* env,
-    const JavaParamRef<jobject>& obj) const {
-  return web_contents_->GetMainFrame()->GetJavaRenderFrameHost();
-}
-
 ScopedJavaLocalRef<jstring> WebContentsAndroid::GetTitle(
     JNIEnv* env,
     const JavaParamRef<jobject>& obj) const {
   return base::android::ConvertUTF16ToJavaString(env,
                                                  web_contents_->GetTitle());
 }
 
 ScopedJavaLocalRef<jstring> WebContentsAndroid::GetVisibleURL(
     JNIEnv* env,
     const JavaParamRef<jobject>& obj) const {
@@ skipping 463 matching lines @@
       env, obj, callback, id, http_status_code, jurl, jbitmaps, jsizes);
 }
 
 void WebContentsAndroid::SetMediaSession(
     const ScopedJavaLocalRef<jobject>& j_media_session) {
   JNIEnv* env = base::android::AttachCurrentThread();
   Java_WebContentsImpl_setMediaSession(env, obj_, j_media_session);
 }
 
 }  // namespace content