GitLab

Changes include:
e0399c7 Fix Regression: Incomplete file loading is seen for multi page pdf files.
9135010 gn: don't remove -fno-exceptions to match gyp
69dcf14 When forcing clear page data, no need to release colorspace when releasing pattern
4481496 Add a boundary check before accessing the table of 'Index to Location'
4cce875 Check Null pointer in CPDF_Dictionary::GetUnicodeText
56ef173 Fix hebrew character highlight issue in a special document

TBR=jam@chromium.org
BUG=

Review URL: https://codereview.chromium.org/580173004

Cr-Commit-Position: refs/heads/master@{#295555}