Gesture recognition constants should all be stored in the GestureConfiguration object.

chrome/common/pref_names.h

Index: chrome/common/pref_names.h
diff --git a/chrome/common/pref_names.h b/chrome/common/pref_names.h
index dc9fca821ffa5b971c3c3b6cab1832e56155c2a7..e53522f969ca1f45e4403f41cf6b8eeea852d291 100644
--- a/chrome/common/pref_names.h
+++ b/chrome/common/pref_names.h
@@ -671,11 +671,19 @@ extern const char kWebIntentsEnabled[];
 #if defined(USE_AURA)
 extern const char kPinnedLauncherApps[];
 
-extern const char kMaximumSecondsBetweenDoubleClick[];
-extern const char kMaximumTouchDownDurationInSecondsForClick[];
-extern const char kMaximumTouchMoveInPixelsForClick[];
+extern const char kLongPressTimeInSeconds[];
+extern const char kMaxSecondsBetweenDoubleClick[];
+extern const char kMaxTouchDownDurationInSecondsForClick[];
+extern const char kMaxTouchMoveInPixelsForClick[];
+extern const char kMinDistanceForPinchScrollInPixels[];
 extern const char kMinFlickSpeedSquared[];
-extern const char kMinimumTouchDownDurationInSecondsForClick[];
+extern const char kMinPinchUpdateDistanceInPixels[];
+extern const char kMinRailBreakVelocity[];
+extern const char kMinScrollDeltaSquared[];
+extern const char kMinTouchDownDurationInSecondsForClick[];
+extern const char kPointsBufferedForVelocity[];
+extern const char kRailBreakProportion[];
+extern const char kRailStartProportion[];
 #endif
 
 extern const char kInManagedMode[];