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

Source/WebCore/testing/InternalSettings.cpp

Index: Source/WebCore/testing/InternalSettings.cpp
diff --git a/Source/WebCore/testing/InternalSettings.cpp b/Source/WebCore/testing/InternalSettings.cpp
index a722b2646d8c41c01ce43bd5eeebfb7ae8ddf107..4a641b43c434689021f50f744ac6eb43647d722e 100644
--- a/Source/WebCore/testing/InternalSettings.cpp
+++ b/Source/WebCore/testing/InternalSettings.cpp
@@ -462,4 +462,33 @@ void InternalSettings::setUseLegacyBackgroundSizeShorthandBehavior(bool enabled,
     settings()->setUseLegacyBackgroundSizeShorthandBehavior(enabled);
 }
 
+void InternalSettings::setPrimaryPointerDevices(const String& pointerDevice, ExceptionCode& ec)
+{
+    InternalSettingsGuardForSettings();
+
+    // Allow setting multiple devices by passing comma seperated list ("mouse,touch")
+    Vector<String> deviceTokens;
+    pointerDevice.split(",", false, deviceTokens);
+
+    int pointerDevices = PointerDeviceUnknown;
+    for(size_t i = 0; i < deviceTokens.size(); ++i) {
+        String token = deviceTokens[i].stripWhiteSpace();
+
+        if (token == "mouse")
+            pointerDevices |= PointerDeviceMouse;
+        else if (token == "touch")
+            pointerDevices |= PointerDeviceTouch;
+        else if (token == "none")
+            pointerDevices |= PointerDeviceNone;
+        else if (token == "unknown")
+            pointerDevices |= PointerDeviceUnknown;
+        else {
+            ec = SYNTAX_ERR;
+            return;
+        }
+    }
+
+    settings()->setPrimaryPointerDevices(pointerDevices);
+}
+
 }