Remove handlers for user gesture callbacks

Source/platform/UserGestureIndicator.cpp

Index: Source/platform/UserGestureIndicator.cpp
diff --git a/Source/platform/UserGestureIndicator.cpp b/Source/platform/UserGestureIndicator.cpp
index 811a820ade68d9faa973133c7f82bc009bb0524a..03d219537a755790da17f7bf8602c9a560633c6b 100644
--- a/Source/platform/UserGestureIndicator.cpp
+++ b/Source/platform/UserGestureIndicator.cpp
@@ -29,7 +29,6 @@
 #include "wtf/Assertions.h"
 #include "wtf/CurrentTime.h"
 #include "wtf/MainThread.h"
-#include "wtf/Vector.h"
 
 namespace WebCore {
 
@@ -113,7 +112,6 @@ static bool isDefinite(ProcessingUserGestureState state)
 
 ProcessingUserGestureState UserGestureIndicator::s_state = DefinitelyNotProcessingUserGesture;
 UserGestureIndicator* UserGestureIndicator::s_topmostIndicator = 0;
-UserGestureHandler* UserGestureIndicator::s_handler = 0;
 
 UserGestureIndicator::UserGestureIndicator(ProcessingUserGestureState state)
     : m_previousState(s_state)
@@ -133,17 +131,10 @@ UserGestureIndicator::UserGestureIndicator(ProcessingUserGestureState state)
         s_state = state;
     }
 
-    bool shouldNotifyHandler = false;
-    if (state == DefinitelyProcessingNewUserGesture) {
+    if (state == DefinitelyProcessingNewUserGesture)
         static_cast<GestureToken*>(m_token.get())->addGesture();
-        shouldNotifyHandler = true;
-    } else if (state == DefinitelyProcessingUserGesture && s_topmostIndicator == this) {
+    else if (state == DefinitelyProcessingUserGesture && s_topmostIndicator == this)
         static_cast<GestureToken*>(m_token.get())->addGesture();
-        shouldNotifyHandler = true;
-    }
-
-    if (shouldNotifyHandler && s_handler)
-        s_handler->onGesture();
     ASSERT(isDefinite(s_state));
 }
 
@@ -167,9 +158,6 @@ UserGestureIndicator::UserGestureIndicator(PassRefPtr<UserGestureToken> token)
             }
         }
         s_state = DefinitelyProcessingUserGesture;
-
-        if (s_handler)
-            s_handler->onGesture();
     }
 
     ASSERT(isDefinite(s_state));
@@ -206,11 +194,6 @@ UserGestureToken* UserGestureIndicator::currentToken()
     return s_topmostIndicator->m_token.get();
 }
 
-void UserGestureIndicator::setHandler(UserGestureHandler* handler)
-{
-    s_handler = handler;
-}
-
 UserGestureIndicatorDisabler::UserGestureIndicatorDisabler()
     : m_savedState(UserGestureIndicator::s_state)
     , m_savedIndicator(UserGestureIndicator::s_topmostIndicator)