update obsolete code.google.com documentation links

content/common/font_config_ipc_linux.h

 // 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.
 
 #ifndef CONTENT_COMMON_FONT_CONFIG_IPC_LINUX_H_
 #define CONTENT_COMMON_FONT_CONFIG_IPC_LINUX_H_
 
 #include "base/compiler_specific.h"
 #include "base/containers/mru_cache.h"
 #include "base/macros.h"
@@ skipping 13 matching lines @@
 template <>
 struct hash<SkFontConfigInterface::FontIdentity> {
   std::size_t operator()(const SkFontConfigInterface::FontIdentity& sp) const;
 };
 }
 
 namespace content {
 
 
 // FontConfig implementation for Skia that proxies out of process to get out
-// of the sandbox. See http://code.google.com/p/chromium/wiki/LinuxSandboxIPC
+// of the sandbox. See https://chromium.googlesource.com/chromium/src/+/master/docs/linux_sandbox_ipc.md
 class FontConfigIPC : public SkFontConfigInterface {
  public:
   explicit FontConfigIPC(int fd);
   ~FontConfigIPC() override;
 
   bool matchFamilyName(const char familyName[],
                        SkTypeface::Style requested,
                        FontIdentity* outFontIdentifier,
                        SkString* outFamilyName,
                        SkTypeface::Style* outStyle) override;
@@ skipping 31 matching lines @@
   // this API, this seems okay.
   base::HashingMRUCache<FontIdentity, skia::RefPtr<SkTypeface>>
       mapped_typefaces_;
 
   DISALLOW_COPY_AND_ASSIGN(FontConfigIPC);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_COMMON_FONT_CONFIG_IPC_LINUX_H_