Refactor context creation parameters into a struct.

media/gpu/android_video_decode_accelerator_unittest.cc

Index: media/gpu/android_video_decode_accelerator_unittest.cc
diff --git a/media/gpu/android_video_decode_accelerator_unittest.cc b/media/gpu/android_video_decode_accelerator_unittest.cc
index c8d08ddf382c7029545bedb094af7958f61c2a11..52a0f8f0999fd3f333df008ddaa9099fc9f6f799 100644
--- a/media/gpu/android_video_decode_accelerator_unittest.cc
+++ b/media/gpu/android_video_decode_accelerator_unittest.cc
@@ -69,8 +69,10 @@ class AndroidVideoDecodeAcceleratorTest : public testing::Test {
     gl::init::ClearGLBindings();
     ASSERT_TRUE(gl::init::InitializeGLOneOff());
     surface_ = gl::init::CreateOffscreenGLSurface(gfx::Size(1024, 1024));
-    context_ = gl::init::CreateGLContext(nullptr, surface_.get(),
-                                         gl::PreferDiscreteGpu);
+    gl::GLContextAttribs context_attribs;
+    context_attribs.gpu_preference = gl::PreferDiscreteGpu;

[piman, 2016/11/07 21:01:01]

nit: ditto, default is fine.

[Geoff Lang, 2016/11/07 21:36:20]

Done.

+    context_ =
+        gl::init::CreateGLContext(nullptr, surface_.get(), context_attribs);
     context_->MakeCurrent(surface_.get());
 
     // Start a message loop because AVDA starts a timer task.