Remove the MSAA WebSetting, which is not read or used.

third_party/WebKit/Source/core/frame/Settings.cpp

Index: third_party/WebKit/Source/core/frame/Settings.cpp
diff --git a/third_party/WebKit/Source/core/frame/Settings.cpp b/third_party/WebKit/Source/core/frame/Settings.cpp
index 947ef3ecd33fb95277c06b05080da16702ffa25a..f420217021339522ad56819b98a4e166db814eb2 100644
--- a/third_party/WebKit/Source/core/frame/Settings.cpp
+++ b/third_party/WebKit/Source/core/frame/Settings.cpp
@@ -58,7 +58,7 @@ static const bool defaultSelectTrailingWhitespaceEnabled = false;
 #endif
 
 Settings::Settings()
-    : m_openGLMultisamplingEnabled(false)
+    :
 #if DEBUG_TEXT_AUTOSIZING_ON_DESKTOP
     , m_textAutosizingWindowSizeOverride(320, 480)

[piman, 2016/04/02 00:47:40]

:, is unlikely to work...

[danakj, 2016/04/02 00:57:05]

oops, rekt. preprocessor ftl

     , m_textAutosizingEnabled(true)
@@ -116,13 +116,4 @@ bool Settings::mockScrollbarsEnabled()
     return ScrollbarTheme::mockScrollbarsEnabled();
 }
 
-void Settings::setOpenGLMultisamplingEnabled(bool flag)
-{
-    if (m_openGLMultisamplingEnabled == flag)
-        return;
-
-    m_openGLMultisamplingEnabled = flag;
-    invalidate(SettingsDelegate::MultisamplingChange);
-}
-
 } // namespace blink