Move special DEPTH_STENCIL attachment logic from command buffers to WebGL1

gpu/command_buffer/service/texture_manager_unittest.cc

Index: gpu/command_buffer/service/texture_manager_unittest.cc
diff --git a/gpu/command_buffer/service/texture_manager_unittest.cc b/gpu/command_buffer/service/texture_manager_unittest.cc
index 0236f718615a083ca4da6704b41abb855a004025..29614a0a8e0f46af05a505c9a4ab4141a042e06c 100644
--- a/gpu/command_buffer/service/texture_manager_unittest.cc
+++ b/gpu/command_buffer/service/texture_manager_unittest.cc
@@ -2364,11 +2364,9 @@ TEST_F(SharedTextureTest, TextureSafetyAccounting) {
 
 TEST_F(SharedTextureTest, FBOCompletenessCheck) {
   const GLenum kCompleteValue = GL_FRAMEBUFFER_COMPLETE;
-  FramebufferManager framebuffer_manager1(1, 1, CONTEXT_TYPE_OPENGLES2,
-                                          nullptr);
+  FramebufferManager framebuffer_manager1(1, 1, nullptr);
   texture_manager1_->set_framebuffer_manager(&framebuffer_manager1);
-  FramebufferManager framebuffer_manager2(1, 1, CONTEXT_TYPE_OPENGLES2,
-                                          nullptr);
+  FramebufferManager framebuffer_manager2(1, 1, nullptr);
   texture_manager2_->set_framebuffer_manager(&framebuffer_manager2);
 
   scoped_refptr<TextureRef> ref1 = texture_manager1_->CreateTexture(10, 10);