Make GL_CHROMIUM_consistent_uniform_locations slighty more robust

gpu/command_buffer/client/share_group.cc

Index: gpu/command_buffer/client/share_group.cc
diff --git a/gpu/command_buffer/client/share_group.cc b/gpu/command_buffer/client/share_group.cc
index 39d9b85f512a7052b3e25f981e1ce317716bb9c4..fbddbb82647ce0632f43a019f8fd29c6080a55c9 100644
--- a/gpu/command_buffer/client/share_group.cc
+++ b/gpu/command_buffer/client/share_group.cc
@@ -228,6 +228,10 @@ void ShareGroup::SetGLES2ImplementationForDestruction(
   gles2_ = gl_impl;
 }
 
+void ShareGroup::set_program_info_manager(ProgramInfoManager* manager) {
+  program_info_manager_.reset(manager);
+}
+
 ShareGroup::~ShareGroup() {
   for (int i = 0; i < id_namespaces::kNumIdNamespaces; ++i) {
     id_handlers_[i]->Destroy(gles2_);