Add ContextMenu support upstream for Android

chrome/android/testshell/testshell_tab.cc

Index: chrome/android/testshell/testshell_tab.cc
diff --git a/chrome/android/testshell/testshell_tab.cc b/chrome/android/testshell/testshell_tab.cc
index 168875d1456184e2b80cc2ae0e9185bc388ee97d..94065d24496a238b5cdbd8e6af53073da5f2613a 100644
--- a/chrome/android/testshell/testshell_tab.cc
+++ b/chrome/android/testshell/testshell_tab.cc
@@ -41,17 +41,6 @@ void TestShellTab::OnReceivedHttpAuthRequest(jobject auth_handler,
   NOTIMPLEMENTED();
 }
 
-void TestShellTab::ShowContextMenu(
-    const content::ContextMenuParams& params) {
-  NOTIMPLEMENTED();
-}
-
-void TestShellTab::ShowCustomContextMenu(
-    const content::ContextMenuParams& params,
-    const base::Callback<void(int)>& callback) {
-  NOTIMPLEMENTED();
-}
-
 void TestShellTab::AddShortcutToBookmark(
     const GURL& url, const string16& title, const SkBitmap& skbitmap,
     int r_value, int g_value, int b_value) {