Refactor Permissions related method out of ContentBrowserClient.

content/shell/browser/shell_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 "content/shell/browser/shell_permission_manager.h"
+
+#include "base/callback.h"
+#include "content/public/browser/permission_type.h"
+
+namespace content {
+
+ShellPermissionManager::ShellPermissionManager()
+    : PermissionManager() {
+}
+
+ShellPermissionManager::~ShellPermissionManager() {
+}
+
+void ShellPermissionManager::RequestPermission(
+    PermissionType permission,
+    WebContents* web_contents,
+    int request_id,
+    const GURL& requesting_origin,
+    bool user_gesture,
+    const base::Callback<void(PermissionStatus)>& callback) {
+  callback.Run(permission == PermissionType::GEOLOCATION
+                   ? PERMISSION_STATUS_GRANTED : PERMISSION_STATUS_DENIED);
+}
+
+void ShellPermissionManager::CancelPermissionRequest(
+    PermissionType permission,
+    WebContents* web_contents,
+    int request_id,
+    const GURL& requesting_origin) {
+}
+
+void ShellPermissionManager::ResetPermission(
+    PermissionType permission,
+    const GURL& requesting_origin,
+    const GURL& embedding_origin) {
+}
+
+PermissionStatus ShellPermissionManager::GetPermissionStatus(
+    PermissionType permission,
+    const GURL& requesting_origin,
+    const GURL& embedding_origin) {
+  return PERMISSION_STATUS_DENIED;
+}
+
+void ShellPermissionManager::RegisterPermissionUsage(
+    PermissionType permission,
+    const GURL& requesting_origin,
+    const GURL& embedding_origin) {
+}
+
+}  // namespace content