Revert of arc: enable Android tracing from chrome://tracing in dev mode

Revert of arc: enable Android tracing from chrome://tracing in dev mode (patchset #17 id:310001 of https://codereview.chromium.org/2699833003/ )

Reason for revert:
This CL seems to cause a compile failure on the CI.
The error log is:
https://luci-logdog.appspot.com/v/?s=chromium%2Fbb%2Fchromium.chromiumos%2FLinux_ChromiumOS_Builder__dbg_%2F84546%2F%2B%2Frecipes%2Fsteps%2Fcompile%2F0%2Fstdout

[10030/10041] LINK ./chrome_app_unittests
FAILED: chrome_app_unittests 
(snip)
../../chrome/browser/chromeos/arc/tracing/arc_tracing_bridge.cc:35: error: undefined reference to 'content::ArcTracingAgent::GetInstance()'
../../chrome/browser/chromeos/arc/tracing/arc_tracing_bridge.cc:39: error: undefined reference to 'content::ArcTracingAgent::GetInstance()'
../../chrome/browser/chromeos/arc/tracing/arc_tracing_bridge.cc:41: error: undefined reference to 'content::ArcTracingAgent::Delegate::~Delegate()'
../../content/browser/tracing/arc_tracing_agent.h:21: error: undefined reference to 'vtable for content::ArcTracingAgent::Delegate'
../../third_party/binutils/Linux_x64/Release/bin/ld.gold: the vtable symbol may be undefined because the class is missing its key function
clang: error: linker command failed with exit code 1 (use -v to see invocation)

Original issue's description:
> arc: enable Android tracing from chrome://tracing in dev mode
> 
> To enable tracing from chrome://tracing, we create a Mojo interface
> for host side to trigger tracing in Android.
> 
> The trace is written into debugfs/tracefs in dev-mode, and is read back
> by debugd.
> 
> Related changes:
> - http://crrev.com/2699833003
> - http://ag/1915548
> 
> BUG=653795
> TEST=Run chrome://tracing and see events from Android.
> 
> Review-Url: https://codereview.chromium.org/2699833003
> Cr-Commit-Position: refs/heads/master@{#456985}
> Committed: https://chromium.googlesource.com/chromium/src/+/0b110db84a13d9087ddf55b5e99d961e54f55e16

TBR=yusukes@chromium.org,lhchavez@chromium.org,bccheng@chromium.org,reveman@chromium.org,shunhsingou@google.com,dsinclair@chromium.org,dcheng@chromium.org,derat@chromium.org,primiano@chromium.org,oysteine@chromium.org,alexmos@chromium.org,shunhsingou@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=653795
Review-Url: https://codereview.chromium.org/2747363002
Cr-Commit-Position: refs/heads/master@{#456999}
Committed: https://chromium.googlesource.com/chromium/src/+/5b91c606652e6b648fc229a05573996510ef57ba

[tzik, 2017-03-15 05:14:57]

The CQ bit was checked by tzik@chromium.org

[tzik, 2017-03-15 05:14:57]

Created Revert of arc: enable Android tracing from chrome://tracing in dev mode

[commit-bot: I haz the power, 2017-03-15 05:15:21]

CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2017-03-15 05:16:14]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1489554897224230, "parent_rev":
"ff92bdcc0bed8878b0989f14993b3aec98a4769b", "commit_rev":
"5b91c606652e6b648fc229a05573996510ef57ba"}

[commit-bot: I haz the power, 2017-03-15 05:17:21]

Description was changed from

==========
Revert of arc: enable Android tracing from chrome://tracing in dev mode
(patchset #17 id:310001 of https://codereview.chromium.org/2699833003/ )

Reason for revert:
This CL seems to cause a compile failure on the CI.
The error log is:
https://luci-logdog.appspot.com/v/?s=chromium%2Fbb%2Fchromium.chromiumos%2FLi...

[10030/10041] LINK ./chrome_app_unittests
FAILED: chrome_app_unittests 
(snip)
../../chrome/browser/chromeos/arc/tracing/arc_tracing_bridge.cc:35: error:
undefined reference to 'content::ArcTracingAgent::GetInstance()'
../../chrome/browser/chromeos/arc/tracing/arc_tracing_bridge.cc:39: error:
undefined reference to 'content::ArcTracingAgent::GetInstance()'
../../chrome/browser/chromeos/arc/tracing/arc_tracing_bridge.cc:41: error:
undefined reference to 'content::ArcTracingAgent::Delegate::~Delegate()'
../../content/browser/tracing/arc_tracing_agent.h:21: error: undefined reference
to 'vtable for content::ArcTracingAgent::Delegate'
../../third_party/binutils/Linux_x64/Release/bin/ld.gold: the vtable symbol may
be undefined because the class is missing its key function
clang: error: linker command failed with exit code 1 (use -v to see invocation)

Original issue's description:
> arc: enable Android tracing from chrome://tracing in dev mode
> 
> To enable tracing from chrome://tracing, we create a Mojo interface
> for host side to trigger tracing in Android.
> 
> The trace is written into debugfs/tracefs in dev-mode, and is read back
> by debugd.
> 
> Related changes:
> - http://crrev.com/2699833003
> - http://ag/1915548
> 
> BUG=653795
> TEST=Run chrome://tracing and see events from Android.
> 
> Review-Url: https://codereview.chromium.org/2699833003
> Cr-Commit-Position: refs/heads/master@{#456985}
> Committed:
https://chromium.googlesource.com/chromium/src/+/0b110db84a13d9087ddf55b5e99d...

TBR=yusukes@chromium.org,lhchavez@chromium.org,bccheng@chromium.org,reveman@c...
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=653795
==========

to

==========
Revert of arc: enable Android tracing from chrome://tracing in dev mode
(patchset #17 id:310001 of https://codereview.chromium.org/2699833003/ )

Reason for revert:
This CL seems to cause a compile failure on the CI.
The error log is:
https://luci-logdog.appspot.com/v/?s=chromium%2Fbb%2Fchromium.chromiumos%2FLi...

[10030/10041] LINK ./chrome_app_unittests
FAILED: chrome_app_unittests 
(snip)
../../chrome/browser/chromeos/arc/tracing/arc_tracing_bridge.cc:35: error:
undefined reference to 'content::ArcTracingAgent::GetInstance()'
../../chrome/browser/chromeos/arc/tracing/arc_tracing_bridge.cc:39: error:
undefined reference to 'content::ArcTracingAgent::GetInstance()'
../../chrome/browser/chromeos/arc/tracing/arc_tracing_bridge.cc:41: error:
undefined reference to 'content::ArcTracingAgent::Delegate::~Delegate()'
../../content/browser/tracing/arc_tracing_agent.h:21: error: undefined reference
to 'vtable for content::ArcTracingAgent::Delegate'
../../third_party/binutils/Linux_x64/Release/bin/ld.gold: the vtable symbol may
be undefined because the class is missing its key function
clang: error: linker command failed with exit code 1 (use -v to see invocation)

Original issue's description:
> arc: enable Android tracing from chrome://tracing in dev mode
> 
> To enable tracing from chrome://tracing, we create a Mojo interface
> for host side to trigger tracing in Android.
> 
> The trace is written into debugfs/tracefs in dev-mode, and is read back
> by debugd.
> 
> Related changes:
> - http://crrev.com/2699833003
> - http://ag/1915548
> 
> BUG=653795
> TEST=Run chrome://tracing and see events from Android.
> 
> Review-Url: https://codereview.chromium.org/2699833003
> Cr-Commit-Position: refs/heads/master@{#456985}
> Committed:
https://chromium.googlesource.com/chromium/src/+/0b110db84a13d9087ddf55b5e99d...

TBR=yusukes@chromium.org,lhchavez@chromium.org,bccheng@chromium.org,reveman@c...
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=653795

Review-Url: https://codereview.chromium.org/2747363002
Cr-Commit-Position: refs/heads/master@{#456999}
Committed:
https://chromium.googlesource.com/chromium/src/+/5b91c606652e6b648fc229a05573...
==========

[commit-bot: I haz the power, 2017-03-15 05:17:23]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/5b91c606652e6b648fc229a05573...