Add keyboard shortcuts in Files.app to open inspector.

chrome/browser/chromeos/extensions/file_manager/private_api_misc.h

Index: chrome/browser/chromeos/extensions/file_manager/private_api_misc.h
diff --git a/chrome/browser/chromeos/extensions/file_manager/private_api_misc.h b/chrome/browser/chromeos/extensions/file_manager/private_api_misc.h
index d6f4a595860947468cc2635c909e9fe5c6b6f231..c0885c20fbcf703c63a1ace7fdd3fe681212194b 100644
--- a/chrome/browser/chromeos/extensions/file_manager/private_api_misc.h
+++ b/chrome/browser/chromeos/extensions/file_manager/private_api_misc.h
@@ -160,6 +160,21 @@ class FileBrowserPrivateVisitDesktopFunction
   virtual bool RunSync() OVERRIDE;
 };
 
+// Implements the chrome.fileBrowserPrivate.openInspector method.
+// As inspection is for developers, this method doesn't have any effect if the
+// flag 'debug-packed-apps' is not enabled.
+class FileBrowserPrivateOpenInspectorFunction
+    : public ChromeSyncExtensionFunction {
+ public:
+  DECLARE_EXTENSION_FUNCTION("fileBrowserPrivate.openInspector",
+                             FILEBROWSERPRIVATE_OPENINSPECTOR);
+
+ protected:
+  virtual ~FileBrowserPrivateOpenInspectorFunction() {}
+
+  virtual bool RunSync() OVERRIDE;
+};
+
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_CHROMEOS_EXTENSIONS_FILE_MANAGER_PRIVATE_API_MISC_H_