Fix linux_view build including both render_widget_host_view_gtk and render_widget_host_view_views.
Fix linux_view build including both render_widget_host_view_gtk and render_widget_host_view_views.

BUG=none
TEST=build with GYP_DEFINES="toolkit_views=1 library=shared_library"

Review URL: http://codereview.chromium.org/3751003

git-svn-id: http://src.chromium.org/svn/trunk/src@62495 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: d5e01f08955fa77f705feca2f268ee1f4636e04b
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