[ICU] Avoid reading ICU data files in render process.

content/app/content_main_runner.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 "content/public/app/content_main_runner.h"
 
 #include <stdlib.h>
 
 #include "base/allocator/allocator_extension.h"
 #include "base/at_exit.h"
@@ skipping 32 matching lines @@
 #include "content/renderer/in_process_renderer_thread.h"
 #include "content/utility/in_process_utility_thread.h"
 #include "crypto/nss_util.h"
 #include "ipc/ipc_descriptors.h"
 #include "ipc/ipc_switches.h"
 #include "media/base/media.h"
 #include "sandbox/win/src/sandbox_types.h"
 #include "ui/base/ui_base_paths.h"
 #include "ui/base/ui_base_switches.h"
 
+#if defined(OS_ANDROID)
+#include "content/public/common/content_descriptors.h"
+#endif
+
 #if defined(USE_TCMALLOC)
 #include "third_party/tcmalloc/chromium/src/gperftools/malloc_extension.h"
 #if defined(TYPE_PROFILING)
 #include "base/allocator/type_profiler.h"
 #include "base/allocator/type_profiler_tcmalloc.h"
 #endif
 #endif
 
 #if !defined(OS_IOS)
 #include "content/app/mojo/mojo_init.h"
@@ skipping 633 matching lines @@
 #endif
 
 #if defined(USE_NSS)
     crypto::EarlySetupForNSSInit();
 #endif
 
     ui::RegisterPathProvider();
     RegisterPathProvider();
     RegisterContentSchemes(true);
 
+#if defined(OS_ANDROID)
+  if (process_type.empty()) {
+    // Browser process loads ICU data using file names.
     CHECK(base::i18n::InitializeICU());
+  } else {
+    // Render processes load ICU data using file descriptor.
+    int icu_data_fd = base::GlobalDescriptors::GetInstance()->MaybeGet(
+        kAndroidICUDataDescriptor);
+    CHECK(icu_data_fd != -1);
+    CHECK(base::i18n::InitializeICU(icu_data_fd));
+  }
+#else
+    CHECK(base::i18n::InitializeICU());
+#endif
 
     InitializeStatsTable(command_line);
 
     if (delegate_)
       delegate_->PreSandboxStartup();
 
     if (!process_type.empty())
       CommonSubprocessInit(process_type);
 
 #if defined(OS_WIN)
@@ skipping 99 matching lines @@
 
   DISALLOW_COPY_AND_ASSIGN(ContentMainRunnerImpl);
 };
 
 // static
 ContentMainRunner* ContentMainRunner::Create() {
   return new ContentMainRunnerImpl();
 }
 
 }  // namespace content