mojo: Fix running view-manager related apptests on X11.

components/view_manager/view_manager_app.cc

Index: components/view_manager/view_manager_app.cc
diff --git a/components/view_manager/view_manager_app.cc b/components/view_manager/view_manager_app.cc
index 1f9f283c6a88ae1539dff52c67b63607b0cf629c..2bce1a314c49011d6c430409238e1b7ffc210f83 100644
--- a/components/view_manager/view_manager_app.cc
+++ b/components/view_manager/view_manager_app.cc
@@ -20,6 +20,10 @@
 #include "ui/events/platform/platform_event_source.h"
 #include "ui/gl/gl_surface.h"
 
+#if defined(USE_X11)
+#include "ui/platform_window/x11/x11_window.h"
+#endif
+
 using mojo::ApplicationConnection;
 using mojo::ApplicationImpl;
 using mojo::Gpu;
@@ -43,10 +47,16 @@ void ViewManagerApp::Initialize(ApplicationImpl* app) {
   is_headless_ = command_line->HasSwitch(mojo::kUseHeadlessConfig);
   if (!is_headless_) {
     event_source_ = ui::PlatformEventSource::CreateDefault();
-    if (command_line->HasSwitch(mojo::kUseTestConfig))
+    bool test_config = command_line->HasSwitch(mojo::kUseTestConfig);
+    if (test_config)
       gfx::GLSurface::InitializeOneOffForTests();
     else
       gfx::GLSurface::InitializeOneOff();
+
+#if defined(USE_X11)
+    if (test_config)
+      ui::test::SetUseOverrideRedirectWindowByDefault(true);

[msw, 2015/07/16 19:17:50]

Should this be part of gfx::GLSurface::InitializeOneOffForTests?

[sadrul, 2015/07/16 19:57:14]

Hm, good point. Done.

+#endif
   }
 #endif