Revert "Deprecating high-conflict accelerators"

chrome/browser/ui/ash/ash_util.h

Index: chrome/browser/ui/ash/ash_util.h
diff --git a/chrome/browser/ui/ash/ash_util.h b/chrome/browser/ui/ash/ash_util.h
index 14dbb40827290b2d0d9575340017107caf0ac60d..7465076be49502964c964c09c09e1c8615aacae3 100644
--- a/chrome/browser/ui/ash/ash_util.h
+++ b/chrome/browser/ui/ash/ash_util.h
@@ -7,10 +7,6 @@
 
 #include "ui/gfx/native_widget_types.h"
 
-namespace ui {
-class Accelerator;
-}  // namespace ui
-
 namespace chrome {
 
 // Returns true if Ash should be run at startup.
@@ -21,10 +17,6 @@ bool ShouldOpenAshOnStartup();
 bool IsNativeViewInAsh(gfx::NativeView native_view);
 bool IsNativeWindowInAsh(gfx::NativeWindow native_window);
 
-// Returns true if the given |accelerator| has been deprecated and hence can
-// be consumed by web contents if needed.
-bool IsAcceleratorDeprecated(const ui::Accelerator& accelerator);
-
 }  // namespace chrome
 
 #endif  // CHROME_BROWSER_UI_ASH_ASH_UTIL_H_