Make ChromeAutofillClient a ZoomObserver.

chrome/browser/ui/autofill/chrome_autofill_client.cc

 // 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.
 
 #include "chrome/browser/ui/autofill/chrome_autofill_client.h"
 
 #include "base/logging.h"
 #include "base/prefs/pref_service.h"
 #include "chrome/browser/autofill/autofill_cc_infobar_delegate.h"
 #include "chrome/browser/autofill/personal_data_manager_factory.h"
@@ skipping 154 matching lines @@
 
 void ChromeAutofillClient::HideRequestAutocompleteDialog() {
   if (dialog_controller_.get())
     dialog_controller_->Hide();
 }
 
 void ChromeAutofillClient::WebContentsDestroyed() {
   HideAutofillPopup();
 }
 
+void ChromeAutofillClient::OnZoomChanged(
+    const ZoomController::ZoomChangedEventData& data) {
+  HideAutofillPopup();
+}
+
 void ChromeAutofillClient::DetectAccountCreationForms(
     const std::vector<autofill::FormStructure*>& forms) {
   password_manager::PasswordGenerationManager* manager =
       ChromePasswordManagerClient::GetGenerationManagerFromWebContents(
           web_contents_);
   if (manager)
     manager->DetectAccountCreationForms(forms);
 }
 
 void ChromeAutofillClient::DidFillOrPreviewField(
     const base::string16& autofilled_value,
     const base::string16& profile_full_name) {
 #if defined(OS_ANDROID)
   AutofillLoggerAndroid::DidFillOrPreviewField(autofilled_value,
                                                profile_full_name);
 #endif  // defined(OS_ANDROID)
 }
 
 }  // namespace autofill