Add a command to lose the context

gpu/command_buffer/tests/gl_manager.h

Index: gpu/command_buffer/tests/gl_manager.h
diff --git a/gpu/command_buffer/tests/gl_manager.h b/gpu/command_buffer/tests/gl_manager.h
index 5f42a36f71c2a59ee7e454ab9f2a1f04281baa39..2b2433129ee5dd13cbc3acfdcef206fd025fb8ef 100644
--- a/gpu/command_buffer/tests/gl_manager.h
+++ b/gpu/command_buffer/tests/gl_manager.h
@@ -48,6 +48,8 @@ class GLManager {
     GLManager* virtual_manager;
     // Whether or not glBindXXX generates a resource.
     bool bind_generates_resource;
+    // Whether or not it's ok to lose the context.
+    bool context_lost_allowed;
   };
   GLManager();
   ~GLManager();
@@ -87,6 +89,7 @@ class GLManager {
   scoped_ptr<gles2::GLES2CmdHelper> gles2_helper_;
   scoped_ptr<TransferBuffer> transfer_buffer_;
   scoped_ptr<gles2::GLES2Implementation> gles2_implementation_;
+  bool context_lost_allowed_;
 };
 
 }  // namespace gpu