Revert 282697 "Non-SFI NaCl: Fix browser_tests based on libc_free.c"

Revert 282697 "Non-SFI NaCl: Fix browser_tests based on libc_free.c"

This broke LSAN.

http://build.chromium.org/p/chromium.memory/builders/Linux%20ASan%20LSan%20Builder/builds/9737/steps/compile/logs/stdio


> Non-SFI NaCl: Fix browser_tests based on libc_free.c
> 
> There were two issues with clang:
> 
> - Clang emits .data.rel.ro.local for local struct values with
>   an initializer, which lets the linker to emit a few
>   relocation info.
> - In debug build, clang uses memcpy to copy a structure with
>   five members. Neither -fno-builtin nor -ffreestanding did
>   not prevent this issue.
> - In release build, clang translates for-loop based zero copy
>   to memset.
> 
> This patch initializes all structures without initializers
> or copy. This patch works with GYP_DEFINES=clang=0.
> 
> To make sure we will not add memcpy or something in future,
> we will build libc_free.nexe with -Wl,--no-undefined.
> 
> This also reverts
> 
> https://codereview.chromium.org/386543002
> 
> to enable the disabled tests.
> 
> BUG=392768
> TEST=./out/Debug/browser_tests --gtest_filter='*NonSfi*Messaging*'
> 
> Review URL: https://codereview.chromium.org/381883002

TBR=hamaji@chromium.org

Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=282702

[mmenke, 2014-07-11 21:18:22]

Committed patchset #1 manually as r282702 (tree was closed).