Roll src/third_party/pdfium/ cf7ac1952..cba85abc8 (1 commit).

https://pdfium.googlesource.com/pdfium.git/+log/cf7ac195266f..cba85abc8a9d

$ git log cf7ac1952..cba85abc8 --date=short --no-merges --format='%ad %ae %s'
2016-09-08 jaepark CPWL_Color::ConvertColorType should compare current color type with the given convert color type.

TBR=dsinclair@chromium.org

Review-Url: https://codereview.chromium.org/2324063002
Cr-Commit-Position: refs/heads/master@{#417483}

DEPS

@@ -60,7 +60,7 @@ vars = {
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling PDFium
   # and whatever else without interference from each other.
-  'pdfium_revision': 'cf7ac195266fe05f7548c531df32c2b4aa4b5608',
+  'pdfium_revision': 'cba85abc8a9d2c458b423f0cc3b79a24ddd3f58e',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling openmax_dl
   # and whatever else without interference from each other.