command_buffer: Implement path rendering functions for CHROMIUM_path_rendering

gpu/command_buffer/tests/gl_manager.cc

Index: gpu/command_buffer/tests/gl_manager.cc
diff --git a/gpu/command_buffer/tests/gl_manager.cc b/gpu/command_buffer/tests/gl_manager.cc
index 3211a35e02fa1b3af596c3e62b846d428db9ef28..daca2c7856964328381fe1c75cd78051a91799ed 100644
--- a/gpu/command_buffer/tests/gl_manager.cc
+++ b/gpu/command_buffer/tests/gl_manager.cc
@@ -35,13 +35,15 @@ scoped_refptr<gfx::GLContext>* GLManager::base_context_;
 
 GLManager::Options::Options()
     : size(4, 4),
+      stencil_size(-1),
       share_group_manager(NULL),
       share_mailbox_manager(NULL),
       virtual_manager(NULL),
       bind_generates_resource(false),
       lose_context_when_out_of_memory(false),
       context_lost_allowed(false),
-      image_manager(NULL) {}
+      image_manager(NULL) {
+}
 
 GLManager::GLManager()
     : context_lost_allowed_(false) {
@@ -114,6 +116,7 @@ void GLManager::Initialize(const GLManager::Options& options) {
   attrib_helper.blue_size_ = 8;
   attrib_helper.alpha_size_ = 8;
   attrib_helper.depth_size_ = 16;
+  attrib_helper.stencil_size_ = options.stencil_size;
   attrib_helper.Serialize(&attribs);
 
   if (!context_group) {