Show location, search button, and change-view button on the toolbar.
This CL includes following changes.
- Use system default header, rather than customized Maximize/Minimize/Close buttons.
- Current location is displayed on the left side of toolbar.
- Only the selected file's information is displayed on the preview panel.
- Change-view button is moved from gear menu to the right side of toolbar.
- Search button is placed on toolbar as a button. It expands on click.
BUG=
397222,
308445
TEST=run browser_tests, manually tested
Committed:
https://src.chromium.org/viewvc/chrome?view=rev&revision=288082