Ensure GL initialization only happens once, and provide common init path

ui/keyboard/test/run_all_unittests.cc

Index: ui/keyboard/test/run_all_unittests.cc
diff --git a/ui/keyboard/test/run_all_unittests.cc b/ui/keyboard/test/run_all_unittests.cc
index e95dcbed537845bba3bd880ba744c4703a958bc6..d5e5bc03f6aba97e7e9a6cf955d0fe0d28bea12f 100644
--- a/ui/keyboard/test/run_all_unittests.cc
+++ b/ui/keyboard/test/run_all_unittests.cc
@@ -10,6 +10,7 @@
 #include "base/test/test_suite.h"
 #include "ui/base/resource/resource_bundle.h"
 #include "ui/base/ui_base_paths.h"
+#include "ui/gl/gl_surface.h"
 
 namespace {
 
@@ -20,6 +21,7 @@ class KeyboardTestSuite : public base::TestSuite {
  protected:
   virtual void Initialize() OVERRIDE {
     base::TestSuite::Initialize();
+    gfx::GLSurface::InitializeOneOffForTests();
     ui::RegisterPathProvider();
 
     base::FilePath pak_dir;