Added primary input devices setting to blink to allow media queries for hover/pointer

Source/WebCore/page/Settings.in

 # FIXME: Add support for global settings.
 # FIXME: Add support for custom getters/setters.
 
 defaultTextEncodingName type=String
 ftpDirectoryTemplatePath type=String
 localStorageDatabasePath type=String
 editableLinkBehavior type=EditableLinkBehavior, initial=EditableLinkDefaultBehavior
 textDirectionSubmenuInclusionBehavior type=TextDirectionSubmenuInclusionBehavior, initial=TextDirectionSubmenuAutomaticallyIncluded
 passwordEchoDurationInSeconds type=double, initial=1
 
@@ skipping 113 matching lines @@
 visualWordMovementEnabled initial=false
 shouldDisplaySubtitles initial=false, conditional=VIDEO_TRACK
 shouldDisplayCaptions initial=false, conditional=VIDEO_TRACK
 shouldDisplayTextDescriptions initial=false, conditional=VIDEO_TRACK
 scrollingCoordinatorEnabled initial=false
 scrollAnimatorEnabled initial=true, conditional=SMOOTH_SCROLLING
 notificationsEnabled initial=true
 
 shouldRespectImageOrientation initial=false
 requestAnimationFrameEnabled initial=true
-deviceSupportsTouch initial=false
+deviceSupportsTouch initial=false   #FIXME: Remove this http://crbug.com/136119
 deviceSupportsMouse initial=true
 
 # For touch adjustment to apply, the compile option TOUCH_ADJUSTMENT must also be enabled.
 # This setting adds a means to dynamically disable the feature at runtime on systems with
 # support for touch adjustment.
 touchAdjustmentEnabled initial=true
 
 needsDidFinishLoadOrderQuirk initial=false
 fixedPositionCreatesStackingContext initial=false
 syncXHRInDocumentsEnabled initial=true
@@ skipping 15 matching lines @@
 frameFlatteningEnabled initial=false
 
 allowCustomScrollbarInMainFrame initial=true
 webSecurityEnabled initial=true
 spatialNavigationEnabled initial=false
 
 # This setting adds a means to enable/disable touch initiated drag & drop. If
 # enabled, the user can initiate drag using long press.
 touchDragDropEnabled initial=false
 
+# Sets primary input devices used for pointing. This is a bit flag of the
+# PointerDevice enums
+primaryPointerDevices type=int, initial=PointerDeviceUnknown
+
 unifiedTextCheckerEnabled initial=defaultUnifiedTextCheckerEnabled
 
 backForwardCacheExpirationInterval type=double, initial=1800
 
 # Some apps could have a default video poster if it is not set.
 defaultVideoPosterURL type=String
 
 smartInsertDeleteEnabled initial=defaultSmartInsertDeleteEnabled
 selectTrailingWhitespaceEnabled initial=defaultSelectTrailingWhitespaceEnabled
 
 selectionIncludesAltImageText initial=false
 useLegacyBackgroundSizeShorthandBehavior initial=false