Add a command to lose the context

gpu/command_buffer/client/gles2_c_lib_autogen.h

Index: gpu/command_buffer/client/gles2_c_lib_autogen.h
diff --git a/gpu/command_buffer/client/gles2_c_lib_autogen.h b/gpu/command_buffer/client/gles2_c_lib_autogen.h
index b4d8e0fef3e60503d6c4a9980efa6a3cedfe0522..e056d6001735c2c423b19b30d9efd37a1092085a 100644
--- a/gpu/command_buffer/client/gles2_c_lib_autogen.h
+++ b/gpu/command_buffer/client/gles2_c_lib_autogen.h
@@ -715,6 +715,9 @@ void GLES2DiscardFramebufferEXT(
     GLenum target, GLsizei count, const GLenum* attachments) {
   gles2::GetGLContext()->DiscardFramebufferEXT(target, count, attachments);
 }
+void GLES2LoseContextCHROMIUM() {
+  gles2::GetGLContext()->LoseContextCHROMIUM();
+}
 
 namespace gles2 {
 
@@ -1048,6 +1051,8 @@ NameToFunc g_gles2_function_table[] = {
       glAsyncTexImage2DCHROMIUM), },
   { "glDiscardFramebufferEXT", reinterpret_cast<GLES2FunctionPointer>(
       glDiscardFramebufferEXT), },
+  { "glLoseContextCHROMIUM", reinterpret_cast<GLES2FunctionPointer>(
+      glLoseContextCHROMIUM), },
   { NULL, NULL, },
 };