Change WebLocalFrame::SpellingMarkerOffsetsForTest to a local function in WebFrameTest

third_party/WebKit/public/web/WebLocalFrame.h

 // 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.
 
 #ifndef WebLocalFrame_h
 #define WebLocalFrame_h
 
 #include <set>
 #include "WebCompositionUnderline.h"
 #include "WebFrame.h"
@@ skipping 370 matching lines @@
   virtual void ExtractSmartClipData(WebRect rect_in_viewport,
                                     WebString& clip_text,
                                     WebString& clip_html) = 0;
 
   // Spell-checking support -------------------------------------------------
   virtual void SetTextCheckClient(WebTextCheckClient*) = 0;
   virtual void ReplaceMisspelledRange(const WebString&) = 0;
   virtual void EnableSpellChecking(bool) = 0;
   virtual bool IsSpellCheckingEnabled() const = 0;
   virtual void RemoveSpellingMarkers() = 0;
-
-  // Retrieves a list of spelling markers.
-  virtual void SpellingMarkerOffsetsForTest(WebVector<unsigned>* offsets) = 0;
   virtual void RemoveSpellingMarkersUnderWords(
       const WebVector<WebString>& words) = 0;
 
   // Content Settings -------------------------------------------------------
 
   virtual void SetContentSettingsClient(WebContentSettingsClient*) = 0;
 
   // Image reload -----------------------------------------------------------
 
   // If the provided node is an image, reload the image disabling Lo-Fi.
@@ skipping 146 matching lines @@
   // to call these on a WebLocalFrame.
   bool IsWebLocalFrame() const override = 0;
   WebLocalFrame* ToWebLocalFrame() override = 0;
   bool IsWebRemoteFrame() const override = 0;
   WebRemoteFrame* ToWebRemoteFrame() override = 0;
 };
 
 }  // namespace blink
 
 #endif  // WebLocalFrame_h