Limit the amount the Location Settings Dialog will be shown to users.

chrome/browser/android/mock_location_settings.h

 // Copyright 2015 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 CHROME_BROWSER_ANDROID_MOCK_LOCATION_SETTINGS_H_
 #define CHROME_BROWSER_ANDROID_MOCK_LOCATION_SETTINGS_H_
 
 #include "base/macros.h"
 #include "chrome/browser/android/location_settings.h"
 #include "components/location/android/location_settings_dialog_context.h"
 #include "components/location/android/location_settings_dialog_outcome.h"
 
 // Mock implementation of LocationSettings for unit tests.
 class MockLocationSettings : public LocationSettings {
  public:
   MockLocationSettings();
   ~MockLocationSettings() override;
 
   static void SetLocationStatus(bool has_android_location_permission,
                                 bool is_system_location_setting_enabled);
   static void SetCanPromptForAndroidPermission(bool can_prompt);
   static void SetLocationSettingsDialogStatus(
       bool enabled,
       LocationSettingsDialogOutcome outcome);
   static bool HasShownLocationSettingsDialog();
+  static void ClearHasShownLocationSettingsDialog();
 
   // LocationSettings implementation:
   bool HasAndroidLocationPermission() override;
   bool CanPromptForAndroidLocationPermission(
       content::WebContents* web_contents) override;
   bool IsSystemLocationSettingEnabled() override;
   bool CanPromptToEnableSystemLocationSetting() override;
   void PromptToEnableSystemLocationSetting(
       const LocationSettingsDialogContext prompt_context,
       content::WebContents* web_contents,
       LocationSettingsDialogOutcomeCallback callback) override;
 
  private:
   static bool has_android_location_permission_;
   static bool can_prompt_for_android_location_permission_;
   static bool is_system_location_setting_enabled_;
   static bool location_settings_dialog_enabled_;
   static bool has_shown_location_settings_dialog_;
   static LocationSettingsDialogOutcome location_settings_dialog_outcome_;
 
   DISALLOW_COPY_AND_ASSIGN(MockLocationSettings);
 };
 
 #endif  // CHROME_BROWSER_ANDROID_MOCK_LOCATION_SETTINGS_H_