Remove DCHECK_IMPLIES and CHECK_IMPLIES

cc/input/top_controls_manager.cc

Index: cc/input/top_controls_manager.cc
diff --git a/cc/input/top_controls_manager.cc b/cc/input/top_controls_manager.cc
index 1a961b50e9393697598bf83738dbe3684c56d1e4..7f8399d4e7189bc6ab2a793576f60280310298ac 100644
--- a/cc/input/top_controls_manager.cc
+++ b/cc/input/top_controls_manager.cc
@@ -176,8 +176,8 @@ void TopControlsManager::ResetAnimations() {
 
 void TopControlsManager::SetupAnimation(AnimationDirection direction) {
   DCHECK_NE(NO_ANIMATION, direction);
-  DCHECK_IMPLIES(direction == HIDING_CONTROLS, TopControlsShownRatio() > 0.f);
-  DCHECK_IMPLIES(direction == SHOWING_CONTROLS, TopControlsShownRatio() < 1.f);
+  DCHECK((direction != HIDING_CONTROLS) || (TopControlsShownRatio() > 0.f));

[danakj, 2015/06/29 19:30:58]

|| has lower precedence you dont need the ()s right? similar comment throughout
when there isnt another || or && in the statement

+  DCHECK((direction != SHOWING_CONTROLS) || (TopControlsShownRatio() < 1.f));
 
   if (top_controls_animation_ && animation_direction_ == direction)
     return;