Update watchlists for sensors, battery and spellcheck.

{device/sensors/}
created in https://codereview.chromium.org/2037513002

{content/renderer/battery_status/}
moved in https://codereview.chromium.org/1538803002

{chrome/browser/tab_contents/spellchecker,
chrome/browser/tab_contents/spelling_menu}
moved in https://codereview.chromium.org/178193005
to chrome/browser/renderer_context_menu/
spellchecker_* files further removed in
https://codereview.chromium.org/1357393002

{chrome/common/spellcheck_}
moved to component in https://codereview.chromium.org/2177343002/

{chrome/renderer/spellchecker/}
moved to component in https://codereview.chromium.org/2198143002/

BUG=629609

Review-Url: https://codereview.chromium.org/2339983006
Cr-Commit-Position: refs/heads/master@{#420311}
1 file changed