[content shell] implement testRunner.execCommand

content/shell/webkit_test_runner.cc

Index: content/shell/webkit_test_runner.cc
diff --git a/content/shell/webkit_test_runner.cc b/content/shell/webkit_test_runner.cc
index 098afdf1a534b0fad25321f4567aecb601cd3fbf..3fde49b03c825f896e344b7227435f25fc3f4610 100644
--- a/content/shell/webkit_test_runner.cc
+++ b/content/shell/webkit_test_runner.cc
@@ -328,6 +328,12 @@ void WebKitTestRunner::EvaluateInWebInspector(int32_t call_id,
     agent->evaluateInWebInspector(call_id, WebString::fromUTF8(script));
 }
 
+void WebKitTestRunner::ExecCommand(const std::string& command,
+                                   const std::string& value) {
+  render_view()->GetWebView()->focusedFrame()->executeCommand(
+      WebString::fromUTF8(command), WebString::fromUTF8(value));
+}
+
 void WebKitTestRunner::NotImplemented(const std::string& object,
                                       const std::string& method) {
   Send(new ShellViewHostMsg_NotImplemented(routing_id(), object, method));