[Print Preview]: Added code to support pdf fit to page functionality.

BUG=85132
TEST=none


Review URL: https://chromiumcodereview.appspot.com/10083060

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@137498 0039d316-1c4b-4281-b951-d872f2087c98
void PrintPreviewMessageHandler::OnDidGetDefaultPageLayout(
    const PageSizeMargins& page_layout_in_points,
    const gfx::Rect& printable_area_in_points,
    bool has_custom_page_size_style) {
  PrintPreviewUI* print_preview_ui = GetPrintPreviewUI();
  if (!print_preview_ui)
    return;
  print_preview_ui->OnDidGetDefaultPageLayout(page_layout_in_points,
                                              printable_area_in_points,
                                              has_custom_page_size_style);
}

void PrintPreviewMessageHandler::OnDidGetDefaultPageLayout(
    const PageSizeMargins& page_layout_in_points,
    const gfx::Rect& printable_area_in_points,
    bool has_custom_page_size_style) {
  PrintPreviewUI* print_preview_ui = GetPrintPreviewUI();
  if (!print_preview_ui)
    return;
  print_preview_ui->OnDidGetDefaultPageLayout(page_layout_in_points,
                                              printable_area_in_points,
                                              has_custom_page_size_style);
}
