Change long press behavior when touch text selection is enabled:

Tools/DumpRenderTree/chromium/TestRunner/src/WebPreferences.cpp

Index: Tools/DumpRenderTree/chromium/TestRunner/src/WebPreferences.cpp
diff --git a/Tools/DumpRenderTree/chromium/TestRunner/src/WebPreferences.cpp b/Tools/DumpRenderTree/chromium/TestRunner/src/WebPreferences.cpp
index 2c4944e1c90869feacfd2cc739fd0b619e88990d..986bd9852f46c618cf602e914e95bb1f12c136a9 100644
--- a/Tools/DumpRenderTree/chromium/TestRunner/src/WebPreferences.cpp
+++ b/Tools/DumpRenderTree/chromium/TestRunner/src/WebPreferences.cpp
@@ -195,6 +195,7 @@ void WebPreferences::applyTo(WebView* webView)
 
     // Fixed values.
     settings->setTouchDragDropEnabled(false);
+    settings->setTouchEditingEnabled(false);
     settings->setTextDirectionSubmenuInclusionBehaviorNeverIncluded();
     settings->setDownloadableBinaryFontsEnabled(true);
     settings->setAllowScriptsToCloseWindows(false);