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

Source/WebKit/chromium/public/WebSettings.h

Index: Source/WebKit/chromium/public/WebSettings.h
diff --git a/Source/WebKit/chromium/public/WebSettings.h b/Source/WebKit/chromium/public/WebSettings.h
index d8734a095ebf9be2f70250c7f316fb91b663337b..e7e30e305ded3a72b0b9d589b471951059e5a3df 100644
--- a/Source/WebKit/chromium/public/WebSettings.h
+++ b/Source/WebKit/chromium/public/WebSettings.h
@@ -52,6 +52,17 @@ public:
         EditingBehaviorAndroid
     };
 
+    // Enum  bit flags for primary pointer device to tell Blink what kind of
+    // inputs the user is primarily using.
+    // Note: PointerDeviceNone is mutually exclusive with other flags
+    //       PointerDeviceUnknown is not actually a flag
+    enum PointerDevice {
+        PointerDeviceUnknown = 0,
+        PointerDeviceMouse = 1,
+        PointerDeviceTouch = 2,
+        PointerDeviceNone = 4
+    };
+
     virtual bool scrollAnimatorEnabled() const = 0;
     virtual bool viewportEnabled() const = 0;
     virtual void setAccelerated2dCanvasEnabled(bool) = 0;
@@ -88,7 +99,7 @@ public:
     void setDeferred2dCanvasEnabled(bool) { } // temporary stub
     virtual void setDeferredImageDecodingEnabled(bool) = 0;
     virtual void setDeviceSupportsMouse(bool) = 0;
-    virtual void setDeviceSupportsTouch(bool) = 0;
+    virtual void setDeviceSupportsTouch(bool) = 0; // FIXME: Remove this http://crbug.com/136119
     virtual void setDoubleTapToZoomEnabled(bool) = 0;
     virtual void setDownloadableBinaryFontsEnabled(bool) = 0;
     virtual void setEditableLinkBehaviorNeverLive() = 0;
@@ -136,6 +147,7 @@ public:
     virtual void setPerTilePaintingEnabled(bool) = 0;
     virtual void setPictographFontFamily(const WebString&, UScriptCode = USCRIPT_COMMON) = 0;
     virtual void setPluginsEnabled(bool) = 0;
+    virtual void setPrimaryPointerDevices(int) = 0;
     virtual void setPrivilegedWebGLExtensionsEnabled(bool) = 0;
     virtual void setRenderVSyncNotificationEnabled(bool) = 0;
     virtual void setSansSerifFontFamily(const WebString&, UScriptCode = USCRIPT_COMMON) = 0;