Remove |disable_drawing| flag from GLSurface::InitializeOneOffForTests.

content/test/content_test_suite.cc

Index: content/test/content_test_suite.cc
diff --git a/content/test/content_test_suite.cc b/content/test/content_test_suite.cc
index 4e43dd8b418fa538069d11f088b0383dedd88d24..336d02ca76413d8d6c114248c2136a0f91a32a6d 100644
--- a/content/test/content_test_suite.cc
+++ b/content/test/content_test_suite.cc
@@ -74,7 +74,7 @@ void ContentTestSuite::Initialize() {
   // When running in a child process for Mac sandbox tests, the sandbox exists
   // to initialize GL, so don't do it here.
   if (!CommandLine::ForCurrentProcess()->HasSwitch(switches::kTestChildProcess))
-    gfx::GLSurface::InitializeOneOffForTests(true);
+    gfx::GLSurface::InitializeOneOffForTests();
 #endif
   testing::TestEventListeners& listeners =
       testing::UnitTest::GetInstance()->listeners();