Load v8 snapshots directly from APK (and store them uncompressed)

extensions/shell/browser/shell_content_browser_client.h

Index: extensions/shell/browser/shell_content_browser_client.h
diff --git a/extensions/shell/browser/shell_content_browser_client.h b/extensions/shell/browser/shell_content_browser_client.h
index f9d813f525c196b1c136ab259b1e43c9750f7fa6..252dfb972c2cc1bfb9474059662138eef5aeebea 100644
--- a/extensions/shell/browser/shell_content_browser_client.h
+++ b/extensions/shell/browser/shell_content_browser_client.h
@@ -7,6 +7,7 @@
 
 #include "base/compiler_specific.h"
 #include "content/public/browser/content_browser_client.h"
+#include "gin/v8_initializer.h"
 
 class GURL;
 
@@ -62,7 +63,11 @@ class ShellContentBrowserClient : public content::ContentBrowserClient {
   void GetAdditionalMappedFilesForChildProcess(
       const base::CommandLine& command_line,
       int child_process_id,
-      content::FileDescriptorInfo* mappings) override;
+      content::FileDescriptorInfo* mappings
+#if defined(OS_ANDROID)
+      , std::map<int, base::MemoryMappedFile::Region>* regions
+#endif
+      ) override;
 #endif
 
   content::DevToolsManagerDelegate* GetDevToolsManagerDelegate() override;
@@ -81,8 +86,7 @@ class ShellContentBrowserClient : public content::ContentBrowserClient {
   const Extension* GetExtension(content::SiteInstance* site_instance);
 
 #if defined(OS_POSIX) && !defined(OS_MACOSX)
-  base::ScopedFD v8_natives_fd_;
-  base::ScopedFD v8_snapshot_fd_;
+  gin::V8Initializer::V8Files v8_files_;
 #endif
 
   // Owned by content::BrowserMainLoop.