Lazy load chrome.* APIs

chrome/renderer/extensions/file_system_natives.h

Index: chrome/renderer/extensions/file_system_natives.h
diff --git a/chrome/renderer/extensions/file_system_natives.h b/chrome/renderer/extensions/file_system_natives.h
index c57a9a9495c1e8c923d323033cc5c554a09a75ee..6768eae82bd3e3825372c7cc0c64df40c6d61159 100644
--- a/chrome/renderer/extensions/file_system_natives.h
+++ b/chrome/renderer/extensions/file_system_natives.h
@@ -6,16 +6,19 @@
 #define CHROME_RENDERER_EXTENSIONS_FILE_SYSTEM_NATIVES_H_
 
 #include "base/compiler_specific.h"
-#include "chrome/renderer/extensions/chrome_v8_extension.h"
+#include "chrome/renderer/extensions/object_backed_native_handler.h"
 
 namespace extensions {
 
 // Custom bindings for the nativeFileSystem API.
-class FileSystemNatives : public ChromeV8Extension {
+class FileSystemNatives : public ObjectBackedNativeHandler {
  public:
-  FileSystemNatives();
+  explicit FileSystemNatives(v8::Handle<v8::Context> context);
 
  private:
+  v8::Handle<v8::Value> GetFileEntry(const v8::Arguments& args);
+  v8::Handle<v8::Value> GetIsolatedFileSystem(const v8::Arguments& args);
+
   DISALLOW_COPY_AND_ASSIGN(FileSystemNatives);
 };