Revert of Refactoring button field and its type

third_party/WebKit/Source/web/AssertMatchingEnums.cpp

Index: third_party/WebKit/Source/web/AssertMatchingEnums.cpp
diff --git a/third_party/WebKit/Source/web/AssertMatchingEnums.cpp b/third_party/WebKit/Source/web/AssertMatchingEnums.cpp
index 753f54d0800cbaca539387a429eeffa64df5b704..771cf06399df8004b3c243b58d04c957566279c2 100644
--- a/third_party/WebKit/Source/web/AssertMatchingEnums.cpp
+++ b/third_party/WebKit/Source/web/AssertMatchingEnums.cpp
@@ -504,6 +504,11 @@ STATIC_ASSERT_ENUM(WebMediaPlayer::ReadyStateHaveCurrentData, HTMLMediaElement::
 STATIC_ASSERT_ENUM(WebMediaPlayer::ReadyStateHaveFutureData, HTMLMediaElement::kHaveFutureData);
 STATIC_ASSERT_ENUM(WebMediaPlayer::ReadyStateHaveEnoughData, HTMLMediaElement::kHaveEnoughData);
 
+STATIC_ASSERT_ENUM(WebMouseEvent::ButtonNone, NoButton);
+STATIC_ASSERT_ENUM(WebMouseEvent::ButtonLeft, LeftButton);
+STATIC_ASSERT_ENUM(WebMouseEvent::ButtonMiddle, MiddleButton);
+STATIC_ASSERT_ENUM(WebMouseEvent::ButtonRight, RightButton);
+
 #if OS(MACOSX)
 STATIC_ASSERT_ENUM(WebMouseWheelEvent::PhaseNone, PlatformWheelEventPhaseNone);
 STATIC_ASSERT_ENUM(WebMouseWheelEvent::PhaseBegan, PlatformWheelEventPhaseBegan);
@@ -547,6 +552,11 @@ STATIC_ASSERT_ENUM(WebScrollbar::ScrollbarOverlayStyleDefault, ScrollbarOverlayS
 STATIC_ASSERT_ENUM(WebScrollbar::ScrollbarOverlayStyleDark, ScrollbarOverlayStyleDark);
 STATIC_ASSERT_ENUM(WebScrollbar::ScrollbarOverlayStyleLight, ScrollbarOverlayStyleLight);
 
+STATIC_ASSERT_ENUM(WebScrollbarBehavior::ButtonNone, NoButton);
+STATIC_ASSERT_ENUM(WebScrollbarBehavior::ButtonLeft, LeftButton);
+STATIC_ASSERT_ENUM(WebScrollbarBehavior::ButtonMiddle, MiddleButton);
+STATIC_ASSERT_ENUM(WebScrollbarBehavior::ButtonRight, RightButton);
+
 STATIC_ASSERT_ENUM(WebSettings::EditingBehaviorMac, EditingMacBehavior);
 STATIC_ASSERT_ENUM(WebSettings::EditingBehaviorWin, EditingWindowsBehavior);
 STATIC_ASSERT_ENUM(WebSettings::EditingBehaviorUnix, EditingUnixBehavior);