[sensors][permission] Constant permission for Acceleromter and Gyroscope.

chrome/browser/permissions/permission_manager.cc

 // 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.
 
 #include "chrome/browser/permissions/permission_manager.h"
 
 #include <memory>
 #include <utility>
 
 #include "base/callback.h"
@@ skipping 108 matching lines @@
   NOTREACHED() << "Unknown content setting for permission "
                << static_cast<int>(permission);
   return CONTENT_SETTINGS_TYPE_DEFAULT;
 }
 
 // Returns whether the permission has a constant ContentSetting value (i.e.
 // always approved or always denied)
 // The ContentSettingsTypes for which true is returned will also return nullptr
 // in PermissionManager::GetPermissionContext since they don't have a context.
 bool IsConstantPermission(ContentSettingsType type) {
-  return type == CONTENT_SETTINGS_TYPE_MIDI;
+  return (type == CONTENT_SETTINGS_TYPE_MIDI ||
+          CONTENT_SETTINGS_TYPE_ACCELEROMETER ||
+          CONTENT_SETTINGS_TYPE_GYROSCOPE);
 }
 
 void SubscriptionCallbackWrapper(
     const base::Callback<void(PermissionStatus)>& callback,
     ContentSetting content_setting) {
   callback.Run(ContentSettingToPermissionStatus(content_setting));
 }
 
 void PermissionStatusCallbackWrapper(
     const base::Callback<void(PermissionStatus)>& callback,
@@ skipping 23 matching lines @@
 // value i.e. they are always approved or always denied etc.
 // CONTENT_SETTING_DEFAULT is returned if the permission needs further handling.
 // This function should only be called when IsConstantPermission has returned
 // true for the PermissionType.
 ContentSetting GetContentSettingForConstantPermission(
     ContentSettingsType type) {
   DCHECK(IsConstantPermission(type));
   switch (type) {
     case CONTENT_SETTINGS_TYPE_MIDI:
       return CONTENT_SETTING_ALLOW;
+    case CONTENT_SETTINGS_TYPE_ACCELEROMETER:
+      return CONTENT_SETTING_ALLOW;
+    case CONTENT_SETTINGS_TYPE_GYROSCOPE:
+      return CONTENT_SETTING_ALLOW;
     default:
       return CONTENT_SETTING_BLOCK;
   }
 }
 
 }  // anonymous namespace
 
 class PermissionManager::PendingRequest {
  public:
   PendingRequest(
@@ skipping 375 matching lines @@
   }
   PermissionContextBase* context = GetPermissionContext(permission);
   PermissionResult result = context->GetPermissionStatus(
       nullptr /* render_frame_host */, requesting_origin.GetOrigin(),
       embedding_origin.GetOrigin());
   DCHECK(result.content_setting == CONTENT_SETTING_ALLOW ||
          result.content_setting == CONTENT_SETTING_ASK ||
          result.content_setting == CONTENT_SETTING_BLOCK);
   return result;
 }