Refactor context creation parameters into a struct.

gpu/config/gpu_info_collector.cc

Index: gpu/config/gpu_info_collector.cc
diff --git a/gpu/config/gpu_info_collector.cc b/gpu/config/gpu_info_collector.cc
index 8ea80921ca6cf9d3b3d1db90d1a7b1da004c7071..79ae1c883932d0b14b162b98d4f9f83c5bfb6daa 100644
--- a/gpu/config/gpu_info_collector.cc
+++ b/gpu/config/gpu_info_collector.cc
@@ -45,7 +45,7 @@ scoped_refptr<gl::GLSurface> InitializeGLSurface() {
 
 scoped_refptr<gl::GLContext> InitializeGLContext(gl::GLSurface* surface) {
   scoped_refptr<gl::GLContext> context(
-      gl::init::CreateGLContext(nullptr, surface, gl::PreferIntegratedGpu));
+      gl::init::CreateGLContext(nullptr, surface, gl::GLContextAttribs()));
   if (!context.get()) {
     LOG(ERROR) << "gl::init::CreateGLContext failed";
     return NULL;