[chromedriver] When launching a Chrome App, automatically switch to the new window.

chrome/test/chromedriver/chrome/chrome_impl.cc

Index: chrome/test/chromedriver/chrome/chrome_impl.cc
diff --git a/chrome/test/chromedriver/chrome/chrome_impl.cc b/chrome/test/chromedriver/chrome/chrome_impl.cc
index aedea8df69617fab05b82a76ab56655601fba19c..10bb666492595acf889c5fd2af2d010c013cd56b 100644
--- a/chrome/test/chromedriver/chrome/chrome_impl.cc
+++ b/chrome/test/chromedriver/chrome/chrome_impl.cc
@@ -4,6 +4,7 @@
 
 #include "chrome/test/chromedriver/chrome/chrome_impl.h"
 
+#include "base/bind.h"
 #include "chrome/test/chromedriver/chrome/devtools_client.h"
 #include "chrome/test/chromedriver/chrome/devtools_event_listener.h"
 #include "chrome/test/chromedriver/chrome/devtools_http_client.h"
@@ -11,6 +12,13 @@
 #include "chrome/test/chromedriver/chrome/web_view_impl.h"
 #include "chrome/test/chromedriver/net/port_server.h"
 
+namespace {
+
+void DoNothingWithWebViewInfo(const WebViewInfo& view) {
+}
+
+}  // namespace
+
 ChromeImpl::~ChromeImpl() {
   if (!quit_)
     port_reservation_->Leak();
@@ -34,6 +42,12 @@ bool ChromeImpl::HasCrashedWebView() {
 }
 
 Status ChromeImpl::GetWebViewIds(std::list<std::string>* web_view_ids) {
+  WebViewCallback callback = base::Bind(&DoNothingWithWebViewInfo);
+  return UpdateWebViewIds(web_view_ids, callback);
+}
+
+Status ChromeImpl::UpdateWebViewIds(std::list<std::string>* web_view_ids,
+                                    const WebViewCallback& on_open_web_view) {
   WebViewsInfo views_info;
   Status status = devtools_http_client_->GetWebViewsInfo(&views_info);
   if (status.IsError())
@@ -79,6 +93,7 @@ Status ChromeImpl::GetWebViewIds(std::list<std::string>* web_view_ids) {
             devtools_http_client_->browser_info(),
             client.Pass(),
             devtools_http_client_->device_metrics())));
+        on_open_web_view.Run(view);
       }
     }
   }