Add test cases for mouse hover on annotation.

The author and the content of the annotation must be shown when mouse
hover on the annotation.

R=dsinclair@chromium.org, thestig@chromium.org

Review URL: https://codereview.chromium.org/2269953003 .
15 files changed
tree: f6ff78ba73f224ceba53f6d9e3ca62541b120559
  1. fx/
  2. pdfium/
  3. third_party/
  4. xfa_specific/
  5. codereview.settings
  6. LICENSE