Replace c_str() with AsStringView() in FX_ParseDateUsingFormat()

Contains() already wants a view, so no need to convert to c-style
strings first.

-- kill a blank line while at it.

Change-Id: Ia03b02eca117b76239ce561952c09ede1055d4fc
Reviewed-on: https://pdfium-review.googlesource.com/c/pdfium/+/86750
Reviewed-by: Lei Zhang <thestig@chromium.org>
Commit-Queue: Lei Zhang <thestig@chromium.org>
Auto-Submit: Tom Sepez <tsepez@chromium.org>
diff --git a/fxjs/fx_date_helpers.cpp b/fxjs/fx_date_helpers.cpp
index c0d8998..c1d27e4 100644
--- a/fxjs/fx_date_helpers.cpp
+++ b/fxjs/fx_date_helpers.cpp
@@ -474,7 +474,7 @@
                 for (size_t m = 0; m < pdfium::size(kFullMonths); ++m) {
                   WideString sFullMonths = WideString(kFullMonths[m]);
                   sFullMonths.MakeLower();
-                  if (sFullMonths.Contains(sMonth.c_str())) {
+                  if (sFullMonths.Contains(sMonth.AsStringView())) {
                     nMonth = m + 1;
                     i += 4;
                     j += nSkip;
@@ -483,7 +483,6 @@
                   }
                 }
               }
-
               if (!bFind) {
                 nMonth = FX_ParseStringInteger(value, j, &nSkip, 4);
                 i += 4;