GitLab

Rather than directly linking Content Shell and Content Shell Helper
agasint the Content Shell Framework, to be loaded by dyld, this change
has the executables dlopen the framework at runtime.

This is done to match how Chrome is loaded, which is a prequisite for
using the V2 sandbox in Content Shell.

No-Presubmit: True
Bug: 850735
Test: Build content_shell and //content test suites. Both launch and pass.
Change-Id: Id843d99877166fbf91d0df55d9976f6019149da8
Reviewed-on: https://chromium-review.googlesource.com/1093569Reviewed-by: Dirk Pranke <dpranke@chromium.org>
Reviewed-by: Nico Weber <thakis@chromium.org>
Reviewed-by: Avi Drissman <avi@chromium.org>
Commit-Queue: Robert Sesek <rsesek@chromium.org>
Cr-Commit-Position: refs/heads/master@{#566651}