Revert of Reland: Use native (optimized) functions for byte order conversion.

Revert of Reland: Use native (optimized) functions for byte order conversion. (patchset #5 id:80001 of https://codereview.webrtc.org/2751403003/ )

Reason for revert:
Breaks internal project.

Original issue's description:
> Reland: Use native (optimized) functions for byte order conversion.
> 
> Instead of manually copying single bytes, the native functions like "htobe32"
> are used.
> 
> The previous CL https://codereview.webrtc.org/2738063005/ got reverted in
> https://codereview.webrtc.org/2757703002/
> 
> Reland with the compilation errors fixed.
> 
> BUG=None
> 
> Review-Url: https://codereview.webrtc.org/2751403003
> Cr-Commit-Position: refs/heads/master@{#17280}
> Committed: https://chromium.googlesource.com/external/webrtc/+/c8a4c1f24ca3a2ececeb1b3774e1fc80f8ffe631

TBR=tommi@webrtc.org,jbauch@webrtc.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=None

Review-Url: https://codereview.webrtc.org/2755103002
Cr-Commit-Position: refs/heads/master@{#17282}
Committed: https://chromium.googlesource.com/external/webrtc/+/44122bd0f96b30983091f5be26b57e45f6cc9e33

[kthelgason, 2017-03-17 09:28:12]

The CQ bit was checked by kthelgason@webrtc.org

[kthelgason, 2017-03-17 09:28:13]

Created Revert of Reland: Use native (optimized) functions for byte order
conversion.

[commit-bot: I haz the power, 2017-03-17 09:28:22]

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

[commit-bot: I haz the power, 2017-03-17 09:28:28]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1489742892651700, "parent_rev":
"e9ad37ca068ba5cf2bafe52692e548f7632c3c6c", "commit_rev":
"44122bd0f96b30983091f5be26b57e45f6cc9e33"}

[commit-bot: I haz the power, 2017-03-17 09:28:31]

Description was changed from

==========
Revert of Reland: Use native (optimized) functions for byte order conversion.
(patchset #5 id:80001 of https://codereview.webrtc.org/2751403003/ )

Reason for revert:
Breaks internal project.

Original issue's description:
> Reland: Use native (optimized) functions for byte order conversion.
> 
> Instead of manually copying single bytes, the native functions like "htobe32"
> are used.
> 
> The previous CL https://codereview.webrtc.org/2738063005/ got reverted in
> https://codereview.webrtc.org/2757703002/
> 
> Reland with the compilation errors fixed.
> 
> BUG=None
> 
> Review-Url: https://codereview.webrtc.org/2751403003
> Cr-Commit-Position: refs/heads/master@{#17280}
> Committed:
https://chromium.googlesource.com/external/webrtc/+/c8a4c1f24ca3a2ececeb1b377...

TBR=tommi@webrtc.org,jbauch@webrtc.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=None
==========

to

==========
Revert of Reland: Use native (optimized) functions for byte order conversion.
(patchset #5 id:80001 of https://codereview.webrtc.org/2751403003/ )

Reason for revert:
Breaks internal project.

Original issue's description:
> Reland: Use native (optimized) functions for byte order conversion.
> 
> Instead of manually copying single bytes, the native functions like "htobe32"
> are used.
> 
> The previous CL https://codereview.webrtc.org/2738063005/ got reverted in
> https://codereview.webrtc.org/2757703002/
> 
> Reland with the compilation errors fixed.
> 
> BUG=None
> 
> Review-Url: https://codereview.webrtc.org/2751403003
> Cr-Commit-Position: refs/heads/master@{#17280}
> Committed:
https://chromium.googlesource.com/external/webrtc/+/c8a4c1f24ca3a2ececeb1b377...

TBR=tommi@webrtc.org,jbauch@webrtc.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=None

Review-Url: https://codereview.webrtc.org/2755103002
Cr-Commit-Position: refs/heads/master@{#17282}
Committed:
https://chromium.googlesource.com/external/webrtc/+/44122bd0f96b30983091f5be2...
==========

[commit-bot: I haz the power, 2017-03-17 09:28:31]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/external/webrtc/+/44122bd0f96b30983091f5be2...

[joachim, 2017-03-30 22:07:12]

A revert of this CL (patchset #1 id:1) has been created in
https://codereview.webrtc.org/2786993003/ by jbauch@webrtc.org.

The reason for reverting is: The problem with the internal project has been
solved according to mbonadei@.