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

chrome/browser/chrome_content_browser_client.h

Index: chrome/browser/chrome_content_browser_client.h
diff --git a/chrome/browser/chrome_content_browser_client.h b/chrome/browser/chrome_content_browser_client.h
index d618af5287a740a262561125b28c715650741f01..274dfdbdc7c553b7123c0d027d1db142e70d39c2 100644
--- a/chrome/browser/chrome_content_browser_client.h
+++ b/chrome/browser/chrome_content_browser_client.h
@@ -240,12 +240,18 @@ class ChromeContentBrowserClient : public content::ContentBrowserClient {
       content::RenderFrameHost* render_frame_host,
       blink::WebPageVisibilityState* visibility_state) override;
 
-#if defined(OS_POSIX) && !defined(OS_MACOSX)
+#if defined(OS_ANDROID)
+  void GetAdditionalMappedFilesForChildProcess(
+      const base::CommandLine& command_line,
+      int child_process_id,
+      content::FileDescriptorInfo* mappings,
+      std::map<int, base::MemoryMappedFile::Region>* regions) override;
+#elif defined(OS_POSIX) && !defined(OS_MACOSX)
   void GetAdditionalMappedFilesForChildProcess(
       const base::CommandLine& command_line,
       int child_process_id,
       content::FileDescriptorInfo* mappings) override;
-#endif
+#endif  // defined(OS_ANDROID)
 #if defined(OS_WIN)
   const wchar_t* GetResourceDllName() override;
   void PreSpawnRenderer(sandbox::TargetPolicy* policy, bool* success) override;