Store and load icudtl.dat directly from the apk rather than extracting on start-up

ash/shell/content_client/shell_content_browser_client.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 "ash/shell/content_client/shell_content_browser_client.h"
 
 #include "ash/shell/content_client/shell_browser_main_parts.h"
 #include "base/command_line.h"
 #include "content/public/common/content_descriptors.h"
 #include "content/public/common/content_switches.h"
@@ skipping 44 matching lines @@
     command_line->AppendSwitch(::switches::kV8SnapshotPassedByFD);
   }
 #endif  // V8_USE_EXTERNAL_STARTUP_DATA
 #endif  // OS_POSIX && !OS_MACOSX
 }
 
 #if defined(OS_POSIX) && !defined(OS_MACOSX)
 void ShellContentBrowserClient::GetAdditionalMappedFilesForChildProcess(
     const base::CommandLine& command_line,
     int child_process_id,
-    content::FileDescriptorInfo* mappings) {
+    content::FileDescriptorInfo* mappings
+#if defined(OS_ANDROID)
+    , std::map<int, base::MemoryMappedFile::Region>* regions
+#endif
+    ) {
 #if defined(V8_USE_EXTERNAL_STARTUP_DATA)
   if (v8_natives_fd_.get() == -1 || v8_snapshot_fd_.get() == -1) {
     int v8_natives_fd = -1;
     int v8_snapshot_fd = -1;
     if (gin::V8Initializer::OpenV8FilesForChildProcesses(&v8_natives_fd,
                                                          &v8_snapshot_fd)) {
       v8_natives_fd_.reset(v8_natives_fd);
       v8_snapshot_fd_.reset(v8_snapshot_fd);
     }
   }
   DCHECK(v8_natives_fd_.get() != -1 && v8_snapshot_fd_.get() != -1);
   mappings->Share(kV8NativesDataDescriptor, v8_natives_fd_.get());
   mappings->Share(kV8SnapshotDataDescriptor, v8_snapshot_fd_.get());
 #endif  // V8_USE_EXTERNAL_STARTUP_DATA
 }
 #endif  // OS_POSIX && !OS_MACOSX
 
 content::ShellBrowserContext* ShellContentBrowserClient::browser_context() {
   return shell_browser_main_parts_->browser_context();
 }
 
 }  // namespace examples
 }  // namespace views