Load non-locale .pak files directly from the .apk on Android (rather than extracting on start-up).

content/browser/child_process_launcher.cc

 // Copyright 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 "content/browser/child_process_launcher.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/files/file_util.h"
 #include "base/i18n/icu_util.h"
@@ skipping 128 matching lines @@
 #if defined(OS_ANDROID)
   files_to_register->Share(kPrimaryIPCChannel, ipcfd.get());
 #else
   files_to_register->Transfer(kPrimaryIPCChannel, ipcfd.Pass());
 #endif
 #endif
 
 #if defined(OS_POSIX) && !defined(OS_MACOSX)
   std::map<int, base::MemoryMappedFile::Region> regions;
   GetContentClient()->browser()->GetAdditionalMappedFilesForChildProcess(
-      *cmd_line, child_process_id, files_to_register.get());
+      *cmd_line, child_process_id, files_to_register.get()
+#if defined(OS_ANDROID)
+      , &regions
+#endif
+      );
 #if defined(V8_USE_EXTERNAL_STARTUP_DATA)
   base::PlatformFile natives_pf =
       gin::V8Initializer::GetOpenNativesFileForChildProcesses(
           &regions[kV8NativesDataDescriptor]);
   DCHECK_GE(natives_pf, 0);
   files_to_register->Share(kV8NativesDataDescriptor, natives_pf);
 
   base::MemoryMappedFile::Region snapshot_region;
   base::PlatformFile snapshot_pf =
       gin::V8Initializer::GetOpenSnapshotFileForChildProcesses(
@@ skipping 377 matching lines @@
 }
 
 ChildProcessLauncher::Client* ChildProcessLauncher::ReplaceClientForTest(
     Client* client) {
   Client* ret = client_;
   client_ = client;
   return ret;
 }
 
 }  // namespace content