Introduce WebTaskRunner Patch 3/5

Source/web/tests/WebViewTest.cpp

Index: Source/web/tests/WebViewTest.cpp
diff --git a/Source/web/tests/WebViewTest.cpp b/Source/web/tests/WebViewTest.cpp
index 73b461dc92b5af09ba5bfcafd29d4d8157fdea40..4b4d91022aceacfe1beea4362c52d5463711e365 100644
--- a/Source/web/tests/WebViewTest.cpp
+++ b/Source/web/tests/WebViewTest.cpp
@@ -1299,7 +1299,7 @@ TEST_F(WebViewTest, PrintWithXHRInFlight)
     m_webViewHelper.reset();
 }
 
-class DropTask : public WebThread::Task {
+class DropTask : public WebTaskRunner::Task {
 public:
     explicit DropTask(WebView* webView) : m_webView(webView)
     {
@@ -1329,7 +1329,7 @@ static void DragAndDropURL(WebViewImpl* webView, const std::string& url)
     const WebPoint clientPoint(0, 0);
     const WebPoint screenPoint(0, 0);
     webView->dragTargetDragEnter(dragData, clientPoint, screenPoint, WebDragOperationCopy, 0);
-    Platform::current()->currentThread()->postTask(FROM_HERE, new DropTask(webView));
+    Platform::current()->currentThread()->defaultTaskRunner()->postTask(FROM_HERE, new DropTask(webView));
     FrameTestHelpers::pumpPendingRequestsDoNotUse(webView->mainFrame());
 }