Added a gtest environment class to initialize the ANGLETest class window.

Change-Id: I6fa59201364960cc8fe1cb44e2d09a14cf61dd8a
Reviewed-on: https://chromium-review.googlesource.com/179352
Reviewed-by: Nicolas Capens <nicolascapens@chromium.org>
Commit-Queue: Nicolas Capens <nicolascapens@chromium.org>
Tested-by: Nicolas Capens <nicolascapens@chromium.org>
Reviewed-by: Jamie Madill <jmadill@chromium.org>
Commit-Queue: Jamie Madill <jmadill@chromium.org>
diff --git a/tests/angle_tests/ANGLETest.cpp b/tests/angle_tests/ANGLETest.cpp
index b246b0c..d8cd311 100644
--- a/tests/angle_tests/ANGLETest.cpp
+++ b/tests/angle_tests/ANGLETest.cpp
@@ -320,3 +320,16 @@
 
     return true;
 }
+
+void ANGLETestEnvironment::SetUp()
+{
+    if (!ANGLETest::InitTestWindow())
+    {
+        FAIL() << "Failed to create ANGLE test window.";
+    }
+}
+
+void ANGLETestEnvironment::TearDown()
+{
+    ANGLETest::DestroyTestWindow();
+}