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This change also contains chrome-side changes to
handle the renaming of the PNaCl toolchain folder
within the NaCl SDK.

This pulls in the following Native Client changes:

r12099: (shcherbina) Add custom tempfile prefix to old validator targeted tests.
r12100: (stichnot) Fix and harden error reporting in the report parser.
r12101: (stichnot) Exclude ms_struct_pack_layout.
r12102: (ncbray) Enable validation caching on ARM.
r12103: (petarj) [MIPS] Enable validator tests
r12104: (halyavin) Fix copy paste error in the log message.
r12105: (khim) Support precise toolchain trybots/buildbots
r12106: (kschimpf) Update pnacl llvm revisions
r12107: (stichnot) Fix breakage when running the LLVM regression tests.
r12108: (jvoung) Handle unicode as strings instead of lists in the pnacl driver env setmany.
r12109: (khim) Fix precise64 toolchain bots
r12110: (jvoung) Turn off allow_double again, for callingconv test on arm-nacl-gcc.
r12111: (kschimpf) Update pnacl llvm revisions.
r12112: (bradnelson) Temporarily remove breakpad from DEPS in order to move it.
r12114: (bradnelson) Clobbering the breakpad directory.
r12115: (petarj) [MIPS] Fix expectations for mips_test_read_only_regs
r12116: (sbc) Roll newlib toolchains in TOOL_REVISIONS.
r12117: (petarj) [MIPS] Remove unneeded checks for TLS register
r12118: (bradnelson) Pull in all of breakpad for crash dump testing.
r12119: (sbc) Rename PNaCl toolchain folder within the SDK.

BUG=none
TEST=browser_tests and nacl_integration

Review URL: https://chromiumcodereview.appspot.com/23576014

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@221664 0039d316-1c4b-4281-b951-d872f2087c98