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 60d582b6a3943e708a42baf25de8ba9ea2fc990b..71351a406640033613a61a4908141b6e4aea367e 100644
--- a/Source/web/ChromeClientImpl.cpp
+++ b/Source/web/ChromeClientImpl.cpp
@@ -101,6 +101,7 @@
 #include "public/platform/WebCursorInfo.h"
 #include "public/platform/WebRect.h"
 #include "public/platform/WebURLRequest.h"
+#include "public/web/WebTouchAction.h"
 #include "wtf/text/CString.h"
 #include "wtf/text/StringBuilder.h"
 #include "wtf/text/StringConcatenate.h"
@@ -951,6 +952,14 @@ void ChromeClientImpl::needTouchEvents(bool needsTouchEvents)
     m_webView->hasTouchEventHandlers(needsTouchEvents);
 }
 
+void ChromeClientImpl::setTouchAction(TouchAction touchAction)
+{
+    if (WebViewClient* client = m_webView->client()) {
+        WebTouchAction webTouchAction = static_cast<WebTouchAction>(touchAction);
+        client->setTouchAction(webTouchAction);
+    }
+}
+
 bool ChromeClientImpl::requestPointerLock()
 {
     return m_webView->requestPointerLock();