Fix GetFramebufferAttachmentParameteriv command handling.

gpu/command_buffer/build_gles2_cmd_buffer.py

 #!/usr/bin/env python
 # Copyright (c) 2012 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 """code generator for GLES2 command buffers."""
 
 import itertools
 import os
 import os.path
@@ skipping 1126 matching lines @@
   },
   'Attachment': {
     'type': 'GLenum',
     'valid': [
       'GL_COLOR_ATTACHMENT0',
       'GL_DEPTH_ATTACHMENT',
       'GL_STENCIL_ATTACHMENT',
     ],
     'valid_es3': [
       'GL_DEPTH_STENCIL_ATTACHMENT',
+      # For backbuffer.
+      'GL_COLOR_EXT',
+      'GL_DEPTH_EXT',
+      'GL_STENCIL_EXT',
     ],
   },
   'BackbufferAttachment': {
     'type': 'GLenum',
     'valid': [
       'GL_COLOR_EXT',
       'GL_DEPTH_EXT',
       'GL_STENCIL_EXT',
     ],
   },
@@ skipping 5461 matching lines @@
           'name': func.name,
           'args': ", ".join(gl_arg_strings),
           'cmd_args': ", ".join(cmd_arg_strings),
         })
 
   def WriteServiceUnitTest(self, func, f, *extras):
     """Overrriden from TypeHandler."""
     valid_test = """
 TEST_P(%(test_name)s, %(name)sValidArgs) {
   EXPECT_CALL(*gl_, GetError())
-      .WillOnce(Return(GL_NO_ERROR))
-      .WillOnce(Return(GL_NO_ERROR))
-      .RetiresOnSaturation();
+      .WillRepeatedly(Return(GL_NO_ERROR));
   SpecializedSetup<cmds::%(name)s, 0>(true);
   typedef cmds::%(name)s::Result Result;
   Result* result = static_cast<Result*>(shared_memory_address_);
   EXPECT_CALL(*gl_, %(gl_func_name)s(%(local_gl_args)s));
   result->size = 0;
   cmds::%(name)s cmd;
   cmd.Init(%(cmd_args)s);"""
     if func.IsUnsafe():
       valid_test += """
   decoder_->set_unsafe_es3_apis_enabled(true);"""
@@ skipping 4372 matching lines @@
   Format(gen.generated_cpp_filenames)
 
   if gen.errors > 0:
     print "%d errors" % gen.errors
     return 1
   return 0
 
 
 if __name__ == '__main__':
   sys.exit(main(sys.argv[1:]))