Remove WebContents methods that duplicate WebContentsView methods.

android_webview/native/aw_web_contents_view_delegate.cc

Index: android_webview/native/aw_web_contents_view_delegate.cc
diff --git a/android_webview/native/aw_web_contents_view_delegate.cc b/android_webview/native/aw_web_contents_view_delegate.cc
index 160cf99e2198c80cb36b56dda2d92e21e7b0f0a0..849fd5c3b369d1a3e0e0b77fb4a2973b915fbe2a 100644
--- a/android_webview/native/aw_web_contents_view_delegate.cc
+++ b/android_webview/native/aw_web_contents_view_delegate.cc
@@ -7,6 +7,7 @@
 #include "android_webview/native/aw_contents.h"
 #include "content/public/browser/android/content_view_core.h"
 #include "content/public/browser/web_contents.h"
+#include "content/public/browser/web_contents_view.h"
 #include "content/public/common/context_menu_params.h"
 
 namespace android_webview {
@@ -43,7 +44,7 @@ void AwWebContentsViewDelegate::ShowContextMenu(
   // Display paste pop-up only when selection is empty and editable.
   if (params.is_editable && params.selection_text.empty()) {
     content::ContentViewCore* content_view_core =
-        web_contents_->GetContentNativeView();
+        web_contents_->GetView()->GetContentNativeView();
     if (content_view_core) {
       content_view_core->ShowPastePopup(params.selection_start.x(),
                                         params.selection_start.y());