Revert "Implement MimeHandlerViewFrameController"

This reverts commit 92df23c1ce15615ba52698264485e8785103492c.

Reason for revert: 
Failure size on mac_rel

https://ci.chromium.org/p/chromium/builders/luci.chromium.ci/mac-rel/546

speculative revert due to:
 HINT: To get this list, run tools/mac/show_mod_init_func.py
# HINT: diff against the log from the last run to see what changed
/b/s/w/ir/cache/builder/src/out/Release/Chromium Framework.unstripped
0x0000000001fe9410 @ _GLOBAL__sub_I_mime_handler_view_frame_container.cc (in Chromium Framework.unstripped) (mime_handler_view_frame_container.cc:0)


Original change's description:
> Implement MimeHandlerViewFrameController
> 
> This CL implements the renderer side of MimeHandlerView based on
> cross-process frames (behind a flag).
> 
> The new subclass of MimeHandlerViewContainerBase will use a content
> frame inside a plugin element for loading the MimeHandlerViewGuest's
> extension.
> 
> The current implementation is not complete and the missing features
> such as postMessage support will be added in the follow-up CLs.
> 
> This CL also introduces a new class of parametric browser tests
> (MimeHandlerViewCrossProcessTest) which will be the destination of
> the current MimeHandlerViewTests as more features are integrated into
> the frame-based version. The new test class runs the test on both
> BrowserPlugin-based and cross-process-frame-based versions.
> 
> Document: https://docs.google.com/document/d/10g7Y9cprYKkch9JZ0TBUWaEnHBJT1nzhskQIt1nHbWM/edit#heading=h.qw81a2bk3v6w
> 
> Bug: 659750
> TBR=thestig@chromium.org
> 
> Change-Id: Ia69aeed47f4fa1c7f5b81cdde71a8d8b5ff59165
> Reviewed-on: https://chromium-review.googlesource.com/1187231
> Commit-Queue: Ehsan Karamad <ekaramad@chromium.org>
> Reviewed-by: Sam McNally <sammc@chromium.org>
> Reviewed-by: Ehsan Karamad <ekaramad@chromium.org>
> Reviewed-by: Alex Moshchuk <alexmos@chromium.org>
> Reviewed-by: Istiaque Ahmed <lazyboy@chromium.org>
> Reviewed-by: James MacLean <wjmaclean@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#589284}

TBR=lazyboy@chromium.org,thestig@chromium.org,sammc@chromium.org,alexmos@chromium.org,ekaramad@chromium.org,wjmaclean@chromium.org

Change-Id: Ice96f16404a1026693a72425535929bd883264fe
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: 659750
Reviewed-on: https://chromium-review.googlesource.com/1213148
Reviewed-by: Markus Heintz <markusheintz@chromium.org>
Commit-Queue: Markus Heintz <markusheintz@chromium.org>
Cr-Commit-Position: refs/heads/master@{#589497}
27 files changed