Add a runtime flag for interactive autocomplete

chrome/renderer/chrome_render_process_observer.cc

Index: chrome/renderer/chrome_render_process_observer.cc
diff --git a/chrome/renderer/chrome_render_process_observer.cc b/chrome/renderer/chrome_render_process_observer.cc
index 3e03c3f8217edfb507f87fb789a7669ac107beb3..9b84e40b1fe06ff74e288c829488a66deebef27e 100644
--- a/chrome/renderer/chrome_render_process_observer.cc
+++ b/chrome/renderer/chrome_render_process_observer.cc
@@ -166,6 +166,12 @@ ChromeRenderProcessObserver::ChromeRenderProcessObserver(
     base::StatisticsRecorder::set_dump_on_exit(true);
   }
 
+#if defined(TOOLKIT_VIEWS)
+  WebRuntimeFeatures::enableRequestAutocomplete(
+      command_line.HasSwitch(switches::kEnableInteractiveAutocomplete) ||
+      command_line.HasSwitch(switches::kEnableExperimentalWebKitFeatures));
+#endif
+
   RenderThread* thread = RenderThread::Get();
   resource_delegate_.reset(new RendererResourceDelegate());
   thread->SetResourceDispatcherDelegate(resource_delegate_.get());