Fix a bug where the HTML content in a v2 app window wouldn't be initially focused.

chrome/browser/extensions/platform_app_browsertest.cc

Index: chrome/browser/extensions/platform_app_browsertest.cc
diff --git a/chrome/browser/extensions/platform_app_browsertest.cc b/chrome/browser/extensions/platform_app_browsertest.cc
index 9b5860ace3d472f4d53205945275c246df2ed6de..7d0dc46f0241d3cc62032f52ac89653162a338e9 100644
--- a/chrome/browser/extensions/platform_app_browsertest.cc
+++ b/chrome/browser/extensions/platform_app_browsertest.cc
@@ -33,6 +33,8 @@
 #include "chrome/test/base/ui_test_utils.h"
 #include "content/public/browser/devtools_agent_host.h"
 #include "content/public/browser/render_process_host.h"
+#include "content/public/browser/render_widget_host_view.h"
+#include "content/public/browser/web_contents_view.h"
 #include "content/public/browser/web_intents_dispatcher.h"
 #include "content/public/test/test_utils.h"
 #include "googleurl/src/gurl.h"
@@ -933,4 +935,17 @@ IN_PROC_BROWSER_TEST_F(PlatformAppBrowserTest, Messaging) {
   EXPECT_TRUE(result_catcher.GetNextResult());
 }
 
+// TODO(jeremya): this doesn't work on GTK yet. See http://crbug.com/159450.
+#if defined(TOOLKIT_GTK)
+#define MAYBE_WebContentsHasFocus DISABLED_WebContentsHasFocus
+#else
+#define MAYBE_WebContentsHasFocus WebContentsHasFocus
+#endif
+IN_PROC_BROWSER_TEST_F(PlatformAppBrowserTest, MAYBE_WebContentsHasFocus) {
+  const Extension* extension = LoadAndLaunchPlatformApp("minimal");
+  ShellWindow* window = CreateShellWindow(extension);
+  EXPECT_TRUE(window->web_contents()->GetRenderWidgetHostView()->HasFocus());
+  CloseShellWindow(window);
+}
+
 }  // namespace extensions