Initial touch-action main thread implementation

Source/web/ChromeClientImpl.cpp

Index: Source/web/ChromeClientImpl.cpp
diff --git a/Source/web/ChromeClientImpl.cpp b/Source/web/ChromeClientImpl.cpp
index 9890f9f148f9a4c3f33ab7de80d928541f249f42..e38292d108c73b209a29b9f046c93d053457e67f 100644
--- a/Source/web/ChromeClientImpl.cpp
+++ b/Source/web/ChromeClientImpl.cpp
@@ -950,6 +950,27 @@ void ChromeClientImpl::needTouchEvents(bool needsTouchEvents)
     m_webView->hasTouchEventHandlers(needsTouchEvents);
 }
 
+void ChromeClientImpl::setTouchAction(int touchId, TouchAction touchAction)
+{
+    WebViewClient* client = m_webView->client();
+    if (client) {
+        WebWidgetClient::TouchAction webTouchAction;
+        switch (touchAction) {
+        case TouchActionNone:
+            webTouchAction =  WebWidgetClient::TouchActionNone;
+            break;
+        case TouchActionAuto:
+            webTouchAction =  WebWidgetClient::TouchActionAuto;
+            break;
+        default:
+            ASSERT_NOT_REACHED();
+            webTouchAction = WebWidgetClient::TouchActionAuto;
+        }
+
+        client->setTouchAction(touchId, webTouchAction);

[abarth-chromium, 2013/11/18 21:16:59]

Usually we just use a static_cast and COMPILE_ASSERT that the enum values match.

[Rick Byers, 2013/11/19 21:24:21]

Done.

+    }
+}
+
 bool ChromeClientImpl::requestPointerLock()
 {
     return m_webView->requestPointerLock();