Consolidate all touch/gesture related constants in content

content/browser/android/content_startup_flags.cc

Index: content/browser/android/content_startup_flags.cc
diff --git a/content/browser/android/content_startup_flags.cc b/content/browser/android/content_startup_flags.cc
index ddcc86c52715ff4bb0246e6fe79fa9b50801dcfd..a771daa81705eba3b53952b3961e1e0754546e6b 100644
--- a/content/browser/android/content_startup_flags.cc
+++ b/content/browser/android/content_startup_flags.cc
@@ -62,14 +62,11 @@ void SetContentCommandLineFlags(int max_render_process_count,
   parsed_command_line->AppendSwitch(switches::kEnableAcceleratedOverflowScroll);
   parsed_command_line->AppendSwitch(switches::kEnableBeginFrameScheduling);
 
-  parsed_command_line->AppendSwitch(switches::kDisableGestureDebounce);
   parsed_command_line->AppendSwitch(switches::kEnableGestureTapHighlight);
   parsed_command_line->AppendSwitch(switches::kEnablePinch);
   parsed_command_line->AppendSwitch(switches::kEnableOverlayFullscreenVideo);
   parsed_command_line->AppendSwitch(switches::kEnableOverlayScrollbar);
   parsed_command_line->AppendSwitch(switches::kEnableOverscrollNotifications);
-  parsed_command_line->AppendSwitchASCII(switches::kTouchAckTimeoutDelayMs,
-                                         "200");
 
   // Run the GPU service as a thread in the browser instead of as a
   // standalone process.