Load non-locale .pak files directly from the .apk on Android (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 acd568b8229eca7b029c32f74dc3576161eb8121..8765400a91aba211f16b9e220824ad3ac98b7b0a 100644
--- a/content/public/browser/content_browser_client.h
+++ b/content/public/browser/content_browser_client.h
@@ -622,8 +622,12 @@ class CONTENT_EXPORT ContentBrowserClient {
   virtual void GetAdditionalMappedFilesForChildProcess(
       const base::CommandLine& command_line,
       int child_process_id,
-      FileDescriptorInfo* mappings) {}
+      content::FileDescriptorInfo* mappings
+#if defined(OS_ANDROID)
+      , std::map<int, base::MemoryMappedFile::Region>* regions
 #endif
+      ) {};
+#endif  // defined(OS_POSIX) && !defined(OS_MACOSX)
 
 #if defined(OS_WIN)
   // Returns the name of the dll that contains cursors and other resources.