Do not leak OfflinePolicy from ResourceDispatcherHostImpl::UpdateRequestForTransfer.

BUG=313681
R=simonjam@chromium.org

Review URL: https://codereview.chromium.org/50133005

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@232335 0039d316-1c4b-4281-b951-d872f2087c98
Don't make memory dumps when failing to map child's shared memory.

This reverts most of r231142. We've now got enough dumps so we don't need any more. This leaves in the change that avoids killing the renderer when this happens, as killing the renderer seems to be unnecessary.

BUG=312215,311792

Review URL: https://codereview.chromium.org/50253003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@232336 0039d316-1c4b-4281-b951-d872f2087c98
Don't leak a Screen instance in system display API tests.

BUG=313707
TBR=hongbo.min@intel.com

Review URL: https://codereview.chromium.org/54823003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@232337 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 232337
Do not leak DevToolsTargetImpl in InspectUI.

R=bauerb@chromium.org
BUG=313734

Review URL: https://codereview.chromium.org/54373006

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@232338 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 232338