mash: Don't synthesize extra key press events in the window server

services/ui/ws/platform_display_delegate.h

Index: services/ui/ws/platform_display_delegate.h
diff --git a/services/ui/ws/platform_display_delegate.h b/services/ui/ws/platform_display_delegate.h
index 2140802e13bd9fa2b35a1a6ec2c3f76bffc45b52..cc185b9629dd913bbf1bd15e67de7642fccb9e3f 100644
--- a/services/ui/ws/platform_display_delegate.h
+++ b/services/ui/ws/platform_display_delegate.h
@@ -12,6 +12,7 @@ class Display;
 namespace ui {
 
 class EventSink;
+class OzonePlatform;
 
 namespace ws {
 
@@ -37,6 +38,10 @@ class PlatformDisplayDelegate {
   // Called when the Display loses capture.
   virtual void OnNativeCaptureLost() = 0;
 
+  // Allows the OzonePlatform to be overridden, e.g. for tests. Returns null
+  // for non-Ozone platforms.
+  virtual OzonePlatform* GetOzonePlatform() = 0;
+
  protected:
   virtual ~PlatformDisplayDelegate() {}
 };