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 9b43afebdaa800eeb4006ab41df1bf3c42a9c4ba..2d8480a69bce3c9187b7685b3e64a6b59cd959ed 100644
--- a/gpu/command_buffer/client/gles2_implementation_unittest_autogen.h
+++ b/gpu/command_buffer/client/gles2_implementation_unittest_autogen.h
@@ -2749,9 +2749,20 @@ TEST_F(GLES2ImplementationTest, CopyTextureCHROMIUM) {
     cmds::CopyTextureCHROMIUM cmd;
   };
   Cmds expected;
-  expected.cmd.Init(1, 2, 3, 4, GL_ALPHA, GL_UNSIGNED_BYTE);
+  expected.cmd.Init(1, 2, 3, GL_ALPHA, GL_UNSIGNED_BYTE);
 
-  gl_->CopyTextureCHROMIUM(1, 2, 3, 4, GL_ALPHA, GL_UNSIGNED_BYTE);
+  gl_->CopyTextureCHROMIUM(1, 2, 3, GL_ALPHA, GL_UNSIGNED_BYTE);
+  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);
+
+  gl_->CopySubTextureCHROMIUM(1, 2, 3, 4, 5);
   EXPECT_EQ(0, memcmp(&expected, commands_, sizeof(expected)));
 }