prepareForSubmission  115 Source/core/html/HTMLButtonElement.cpp             form()->prepareForSubmission(event);
prepareForSubmission  216 Source/core/html/HTMLFormElement.cpp         prepareForSubmission(event);
prepareForSubmission   73 Source/core/html/HTMLFormElement.h     bool prepareForSubmission(Event*);
prepareForSubmission  115 Source/core/html/forms/ImageInputType.cpp     element->form()->prepareForSubmission(event); // Event handlers can run.
prepareForSubmission   74 Source/core/html/forms/SubmitInputType.cpp     element->form()->prepareForSubmission(event); // Event handlers can run.