Make re-scanning of devices much faster by caching content hashcodes.
commite13e3de602a2b14c4481ee948fe3c0fb03064d5b
authoryawano <yawano@chromium.org>
Tue, 12 May 2015 08:51:29 +0000 (12 01:51 -0700)
committerCommit bot <commit-bot@chromium.org>
Tue, 12 May 2015 08:51:44 +0000 (12 08:51 +0000)
tree5ea8d85b440e843ce086faec3fb7bbd4d8c8004b
parent25a9e6e7d98b8effa1494340adc8da798f566fe2
Make re-scanning of devices much faster by caching content hashcodes.

This CL is took over from issue 1112573005 at patchset 30001 (http://crrev.com/1112573005#ps30001)

BUG=476688
TEST=*ImportController*

Review URL: https://codereview.chromium.org/1126043005

Cr-Commit-Position: refs/heads/master@{#329377}
ui/file_manager/file_manager/background/js/duplicate_finder.js
ui/file_manager/file_manager/background/js/duplicate_finder_unittest.html
ui/file_manager/file_manager/background/js/media_scanner.js
ui/file_manager/file_manager/common/js/lru_cache.js
ui/file_manager/file_manager/manifest.json
ui/file_manager/file_manager_resources.grd