Do not change sidebar width proportionally when browser window is resized.
Do not change sidebar width proportionally when browser window is resized.

BUG=31633
TEST=Run browser_tests and interactive_ui_tests.
Review URL: http://codereview.chromium.org/3367025

git-svn-id: dd90618784b6a4b323ea0c23a071cb1c9e6f2ac7@59235 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser