Remove RenderViewObserver::ZoomLevelChanged.

components/autofill/content/renderer/autofill_agent.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 "components/autofill/content/renderer/autofill_agent.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/message_loop/message_loop.h"
 #include "base/strings/string_split.h"
@@ skipping 194 matching lines @@
                                REQUIRE_AUTOCOMPLETE,
                                static_cast<ExtractMask>(
                                    EXTRACT_VALUE | EXTRACT_OPTION_TEXT),
                                &form_data,
                                NULL)) {
     Send(new AutofillHostMsg_FormSubmitted(routing_id(), form_data,
                                            base::TimeTicks::Now()));
   }
 }
 
-void AutofillAgent::ZoomLevelChanged() {
-  // Any time the zoom level changes, the page's content moves, so any Autofill
-  // popups should be hidden. This is only needed for the new Autofill UI
-  // because WebKit already knows to hide the old UI when this occurs.
-  HidePopup();
-}
-
 void AutofillAgent::FocusedNodeChanged(const WebNode& node) {
   if (password_generation_agent_ &&
       password_generation_agent_->FocusedNodeHasChanged(node)) {
     is_popup_possibly_visible_ = true;
     return;
   }
 
   if (node.isNull() || !node.isElementNode())
     return;
 
@@ skipping 491 matching lines @@
     // parsed form.
     if (frame && !frame->parent() && !frame->isLoading()) {
       ProcessForms(*frame);
       password_autofill_agent_->OnDynamicFormsSeen(frame);
       return;
     }
   }
 }
 
 }  // namespace autofill