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

content/public/browser/content_browser_client.h

Index: content/public/browser/content_browser_client.h
diff --git a/content/public/browser/content_browser_client.h b/content/public/browser/content_browser_client.h
index 579b9f8820c81eb2ec6a90f84dfc643363692cf4..016127ab25a5284475f7bc41f05e815f88faaffe 100644
--- a/content/public/browser/content_browser_client.h
+++ b/content/public/browser/content_browser_client.h
@@ -621,7 +621,11 @@ class CONTENT_EXPORT ContentBrowserClient {
   virtual void GetAdditionalMappedFilesForChildProcess(
       const base::CommandLine& command_line,
       int child_process_id,
-      FileDescriptorInfo* mappings) {}
+      FileDescriptorInfo* mappings
+#if defined(OS_ANDROID)
+      , std::map<int, base::MemoryMappedFile::Region>* regions
+#endif
+      ) {}
 #endif
 
 #if defined(OS_WIN)