add 'manipulation' support to CSS touch-action parsing.

Source/web/tests/TouchActionTest.cpp

Index: Source/web/tests/TouchActionTest.cpp
diff --git a/Source/web/tests/TouchActionTest.cpp b/Source/web/tests/TouchActionTest.cpp
index 7ad26df565eeacad354cbda290ab4cdae2c8bcd8..9e0e093e90645016194d7adbc05cac3d0d3d1c4f 100644
--- a/Source/web/tests/TouchActionTest.cpp
+++ b/Source/web/tests/TouchActionTest.cpp
@@ -272,6 +272,8 @@ void TouchActionTest::runTestOnTree(WebCore::ContainerNode* root, WebView* webVi
                         EXPECT_EQ(WebTouchActionPanY, client.lastTouchAction()) << failureContextPos;
                     } else if (expectedAction == "pan-x-y") {
                         EXPECT_EQ((WebTouchActionPanX | WebTouchActionPanY), client.lastTouchAction()) << failureContextPos;
+                    } else if (expectedAction == "manipulation") {
+                        EXPECT_EQ((WebTouchActionPanX | WebTouchActionPanY | WebTouchActionPinchZoom), client.lastTouchAction()) << failureContextPos;
                     } else {
                         FAIL() << "Unrecognized expected-action \"" << expectedAction.ascii().data()
                             << "\" " << failureContextPos;