screenshot disabling policy

chrome/browser/ui/window_snapshot/window_snapshot.h

Index: chrome/browser/ui/window_snapshot/window_snapshot.h
diff --git a/chrome/browser/ui/window_snapshot/window_snapshot.h b/chrome/browser/ui/window_snapshot/window_snapshot.h
index 890886a58c0b965439fa101deb85a615e5111438..87bb2a75d9f9bdbdaaa8904489509394f94f609b 100644
--- a/chrome/browser/ui/window_snapshot/window_snapshot.h
+++ b/chrome/browser/ui/window_snapshot/window_snapshot.h
@@ -10,6 +10,8 @@
 
 #include "ui/gfx/native_widget_types.h"
 
+class PrefService;
+
 namespace gfx {
   class Rect;
 }
@@ -20,9 +22,12 @@ namespace browser {
 // top left corner of the designated window and stores a PNG representation
 // into a byte vector. On Windows, |window| may be NULL to grab a snapshot of
 // the primary monitor. Returns true if the operation is successful.
-bool GrabWindowSnapshot(gfx::NativeWindow window,
-                        std::vector<unsigned char>* png_representation,
-                        const gfx::Rect& snapshot_bounds);
+bool GrabWindowSnapshot(
+    gfx::NativeWindow window,
+    std::vector<unsigned char>* png_representation,
+    const gfx::Rect& snapshot_bounds);
+
+void RegisterScreenshotPrefs(PrefService* service);
 
 }  // namespace browser