GitLab

Cast may run two media services, one in browser process with CMA media
pipeline, the other in gpu process with GPU VDA:

1. Introduce a new media service "media_renderer", which is used and
implemented on Cast. It's the same media service as before, we only use
it to create media::Renderer and media::ContentDecryptionModule.

2. Change Cast's default media service host to "gpu", so that
DefaultRenderer could use MojoVideoDecoder for v4l2 decoder.

3. Cast runs "media_renderer" service in browser process, to replace the
old "media" service.

Merge-With: eureka-internal/316201
Bug: internal b/138261332
Test: YT, GPM
Change-Id: I08ea092b8b94115b3a7e642f8d188d67ef3884e3
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1815719
Commit-Queue: Yuchen Liu <yucliu@chromium.org>
Reviewed-by: Peter Beverloo <peter@chromium.org>
Reviewed-by: Daniel Cheng <dcheng@chromium.org>
Reviewed-by: Dirk Pranke <dpranke@chromium.org>
Reviewed-by: Sean Topping <seantopping@chromium.org>
Reviewed-by: Ken Rockot <rockot@google.com>
Reviewed-by: Xiaohan Wang <xhwang@chromium.org>
Cr-Commit-Position: refs/heads/master@{#706624}