gpu: introduce glCopySubTextureCHROMIUM

gpu/command_buffer/client/gles2_implementation_unittest_autogen.h

Index: gpu/command_buffer/client/gles2_implementation_unittest_autogen.h
diff --git a/gpu/command_buffer/client/gles2_implementation_unittest_autogen.h b/gpu/command_buffer/client/gles2_implementation_unittest_autogen.h
index f4e5658d65e33e05339da23d0a5d576c714f9be7..5cdb2d15e846f3ac0208881f645ba0a8e3840a08 100644
--- a/gpu/command_buffer/client/gles2_implementation_unittest_autogen.h
+++ b/gpu/command_buffer/client/gles2_implementation_unittest_autogen.h
@@ -2733,6 +2733,17 @@ TEST_F(GLES2ImplementationTest, CopyTextureCHROMIUM) {
   EXPECT_EQ(0, memcmp(&expected, commands_, sizeof(expected)));
 }
 
+TEST_F(GLES2ImplementationTest, CopySubTextureCHROMIUM) {
+  struct Cmds {
+    cmds::CopySubTextureCHROMIUM cmd;
+  };
+  Cmds expected;
+  expected.cmd.Init(1, 2, 3, 4, 5, 6);
+
+  gl_->CopySubTextureCHROMIUM(1, 2, 3, 4, 5, 6);
+  EXPECT_EQ(0, memcmp(&expected, commands_, sizeof(expected)));
+}
+
 TEST_F(GLES2ImplementationTest, DrawArraysInstancedANGLE) {
   struct Cmds {
     cmds::DrawArraysInstancedANGLE cmd;