DevTools: explicitly control support for viewport meta tag so that desktop emulation was possible

Source/web/InspectorClientImpl.cpp

Index: Source/web/InspectorClientImpl.cpp
diff --git a/Source/web/InspectorClientImpl.cpp b/Source/web/InspectorClientImpl.cpp
index 7fe9a4e32b139539543d6739df91d289b75cc34f..4162490c98ba7a82fdb5926e28f496b7ff1c2913 100644
--- a/Source/web/InspectorClientImpl.cpp
+++ b/Source/web/InspectorClientImpl.cpp
@@ -95,10 +95,10 @@ void InspectorClientImpl::clearBrowserCookies()
         agent->clearBrowserCookies();
 }
 
-void InspectorClientImpl::overrideDeviceMetrics(int width, int height, float deviceScaleFactor, bool fitWindow)
+void InspectorClientImpl::overrideDeviceMetrics(int width, int height, float deviceScaleFactor, bool emulateViewport, bool fitWindow)
 {
     if (WebDevToolsAgentImpl* agent = devToolsAgent())
-        agent->overrideDeviceMetrics(width, height, deviceScaleFactor, fitWindow);
+        agent->overrideDeviceMetrics(width, height, deviceScaleFactor, emulateViewport, fitWindow);
 }
 
 bool InspectorClientImpl::overridesShowPaintRects()