Mandoline UI Process: Update namespaces and file names

This CL updates namespaces in components/mus to mus from mojo, surfaces, gles2, and view_manager.

BUG=531533
TBR=jam@chromium.org for trivial pdf_viewer change.

Committed: https://crrev.com/49b0d73f3ebb4801fc518751145504af3a2f70ed
Cr-Commit-Position: refs/heads/master@{#349229}

Review URL: https://codereview.chromium.org/1340983002

Cr-Commit-Position: refs/heads/master@{#349424}


CrOS-Libchrome-Original-Commit: 407bb8a1ae41bb0e41526cb0cea13236c68af177
4 files changed
tree: 3187cdd3bb753d4c1640ebb199accfd0a357ad71
  1. base/
  2. build/
  3. components/
  4. dbus/
  5. device/
  6. ipc/
  7. mojo/
  8. testing/
  9. third_party/
  10. ui/