gpu: Add CHROMIUM_copy_image extension.

gpu/command_buffer/service/gles2_cmd_decoder_autogen.h

Index: gpu/command_buffer/service/gles2_cmd_decoder_autogen.h
diff --git a/gpu/command_buffer/service/gles2_cmd_decoder_autogen.h b/gpu/command_buffer/service/gles2_cmd_decoder_autogen.h
index 719691492f7300dca9917c8d8b08826707a5b70b..fdf67c1bca61b0ec66cf46188b9190571173e6d9 100644
--- a/gpu/command_buffer/service/gles2_cmd_decoder_autogen.h
+++ b/gpu/command_buffer/service/gles2_cmd_decoder_autogen.h
@@ -5205,6 +5205,37 @@ error::Error GLES2DecoderImpl::HandleReleaseTexImage2DCHROMIUM(
   return error::kNoError;
 }
 
+error::Error GLES2DecoderImpl::HandleCopyImageSubDataCHROMIUM(
+    uint32_t immediate_data_size,
+    const volatile void* cmd_data) {
+  const volatile gles2::cmds::CopyImageSubDataCHROMIUM& c =
+      *static_cast<const volatile gles2::cmds::CopyImageSubDataCHROMIUM*>(
+          cmd_data);
+  GLint source_image_id = static_cast<GLint>(c.source_image_id);
+  GLint dest_texture_id = static_cast<GLint>(c.dest_texture_id);
+  GLint xoffset = static_cast<GLint>(c.xoffset);
+  GLint yoffset = static_cast<GLint>(c.yoffset);
+  GLint x = static_cast<GLint>(c.x);
+  GLint y = static_cast<GLint>(c.y);
+  GLsizei width = static_cast<GLsizei>(c.width);
+  GLsizei height = static_cast<GLsizei>(c.height);
+  GLint in_fence_id = static_cast<GLint>(c.in_fence_id);
+  GLint out_fence_id = static_cast<GLint>(c.out_fence_id);
+  if (width < 0) {
+    LOCAL_SET_GL_ERROR(GL_INVALID_VALUE, "glCopyImageSubDataCHROMIUM",
+                       "width < 0");
+    return error::kNoError;
+  }
+  if (height < 0) {
+    LOCAL_SET_GL_ERROR(GL_INVALID_VALUE, "glCopyImageSubDataCHROMIUM",
+                       "height < 0");
+    return error::kNoError;
+  }
+  DoCopyImageSubDataCHROMIUM(source_image_id, dest_texture_id, xoffset, yoffset,
+                             x, y, width, height, in_fence_id, out_fence_id);
+  return error::kNoError;
+}
+
 error::Error GLES2DecoderImpl::HandleTraceEndCHROMIUM(
     uint32_t immediate_data_size,
     const volatile void* cmd_data) {