Removed "static" in histogram macros. Checking in to see the performance impact.
Removed "static" in histogram macros. Checking in to
see the performance impact.

Will revert as soon as performance tests.

BUG=76092
TEST=histogram unit tests
TBR=jar

Review URL: http://codereview.chromium.org/6673074

git-svn-id: http://src.chromium.org/svn/trunk/src@78333 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: b4e510fbfb89a18c97f2d3b7d9e0a5280351c1c1
meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser