Simplify Android geolocation permission checks

chrome/browser/geolocation/geolocation_infobar_delegate_android.cc

-// Copyright (c) 2012 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/geolocation/geolocation_infobar_delegate_android.h"
-
-#include "base/metrics/histogram.h"
-#include "base/strings/utf_string_conversions.h"
-#include "chrome/browser/android/google_location_settings_helper.h"
-#include "grit/generated_resources.h"
-#include "grit/locale_settings.h"
-#include "grit/theme_resources.h"
-#include "ui/base/l10n/l10n_util.h"
-
-namespace {
-enum GeolocationInfoBarDelegateAndroidEvent {
-  // NOTE: Do not renumber these as that would confuse interpretation of
-  // previously logged data. When making changes, also update the enum list
-  // in tools/metrics/histograms/histograms.xml to keep it in sync.
-
-  // User allowed the page to use geolocation.
-  GEOLOCATION_INFO_BAR_DELEGATE_ANDROID_EVENT_ALLOW = 0,
-
-  // User opened geolocation settings.
-  GEOLOCATION_INFO_BAR_DELEGATE_ANDROID_EVENT_SETTINGS = 1,
-
-  // NOTE: Add entries only immediately above this line.
-  GEOLOCATION_INFO_BAR_DELEGATE_ANDROID_EVENT_COUNT = 2
-};
-
-void RecordUmaEvent(GeolocationInfoBarDelegateAndroidEvent event) {
-  UMA_HISTOGRAM_ENUMERATION("Geolocation.InfoBarDelegateAndroid.Event",
-      event, GEOLOCATION_INFO_BAR_DELEGATE_ANDROID_EVENT_COUNT);
-}
-}  // namespace
-
-GeolocationInfoBarDelegateAndroid::GeolocationInfoBarDelegateAndroid(
-    PermissionQueueController* controller,
-    const PermissionRequestID& id,
-    const GURL& requesting_frame_url,
-    int contents_unique_id,
-    const std::string& display_languages,
-    const std::string& accept_button_label)
-    : GeolocationInfoBarDelegate(controller, id, requesting_frame_url,
-                                 contents_unique_id, display_languages,
-                                 accept_button_label_),
-      google_location_settings_helper_(
-          GoogleLocationSettingsHelper::Create()),
-      accept_button_label_(accept_button_label) {
-}
-
-GeolocationInfoBarDelegateAndroid::~GeolocationInfoBarDelegateAndroid() {
-}
-
-bool GeolocationInfoBarDelegateAndroid::Accept() {
-  set_user_has_interacted();
-
-  // Accept button text could be either 'Allow' or 'Google Location Settings'.
-  // If 'Allow' we follow the regular flow.
-  if (google_location_settings_helper_->IsGoogleAppsLocationSettingEnabled()) {
-    RecordUmaEvent(GEOLOCATION_INFO_BAR_DELEGATE_ANDROID_EVENT_ALLOW);
-    return GeolocationInfoBarDelegate::Accept();
-  }
-
-  // If 'Google Location Settings', we need to open the system Google Location
-  // Settings activity.
-  RecordUmaEvent(GEOLOCATION_INFO_BAR_DELEGATE_ANDROID_EVENT_SETTINGS);
-  google_location_settings_helper_->ShowGoogleLocationSettings();
-  SetPermission(false, false);
-  return true;
-}
-
-base::string16 GeolocationInfoBarDelegateAndroid::GetButtonLabel(
-    InfoBarButton button) const {
-  return (button == BUTTON_OK) ?
-      base::UTF8ToUTF16(accept_button_label_ ) :
-      l10n_util::GetStringUTF16(IDS_GEOLOCATION_DENY_BUTTON);
-}