FeatureInfo: Remove allowed_extensions and init workarounds early

gpu/command_buffer/service/context_group_unittest.cc

Index: gpu/command_buffer/service/context_group_unittest.cc
diff --git a/gpu/command_buffer/service/context_group_unittest.cc b/gpu/command_buffer/service/context_group_unittest.cc
index c80f6190a8e386f699e3823126eed3a19df217c3..59bc796405c5395b3edb48a6324e629b93c3a3fd 100644
--- a/gpu/command_buffer/service/context_group_unittest.cc
+++ b/gpu/command_buffer/service/context_group_unittest.cc
@@ -72,7 +72,7 @@ TEST_F(ContextGroupTest, Basic) {
 TEST_F(ContextGroupTest, InitializeNoExtensions) {
   TestHelper::SetupContextGroupInitExpectations(gl_.get(),
       DisallowedFeatures(), "");
-  group_->Initialize(decoder_.get(), DisallowedFeatures(), "");
+  group_->Initialize(decoder_.get(), DisallowedFeatures());
   EXPECT_EQ(static_cast<uint32>(TestHelper::kNumVertexAttribs),
             group_->max_vertex_attribs());
   EXPECT_EQ(static_cast<uint32>(TestHelper::kNumTextureUnits),
@@ -107,8 +107,8 @@ TEST_F(ContextGroupTest, MultipleContexts) {
   scoped_ptr<MockGLES2Decoder> decoder2_(new MockGLES2Decoder());
   TestHelper::SetupContextGroupInitExpectations(gl_.get(),
       DisallowedFeatures(), "");
-  group_->Initialize(decoder_.get(), DisallowedFeatures(), "");
-  group_->Initialize(decoder2_.get(), DisallowedFeatures(), "");
+  group_->Initialize(decoder_.get(), DisallowedFeatures());
+  group_->Initialize(decoder2_.get(), DisallowedFeatures());
 
   EXPECT_TRUE(group_->buffer_manager() != NULL);
   EXPECT_TRUE(group_->framebuffer_manager() != NULL);