GitLab

This brings in:
  12a9940 Check object type for objects used in the dictory of 'Index'
  9175bee Change the forced clear order of CPDF_DocPageData::Clear, and remove m_pDocument in CPDF_Color
  663af99 Fix uninitialized value in CPDF_ColorStateData
  6eee264 Revert of Fix uninitialized value in CPDF_ColorStateData
  a38d4c3 Fix uninitialized value in CPDF_ColorStateData
  0fb1b3d Fix un-initialized R G B value

TBR=inferno@chromium.org

Review URL: https://codereview.chromium.org/560403002

Cr-Commit-Position: refs/heads/master@{#294479}