Move extension_function_histogram_value to src/extensions

BUG=348248

Review URL: https://codereview.chromium.org/180373005

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@254689 0039d316-1c4b-4281-b951-d872f2087c98
Fix "defined but not used" warning in base/message_loop/message_loop.cc

PNaCl is being upgraded to Clang 3.4, which now warns about unused
declarations inside anonymous namespaces.

BUG=https://code.google.com/p/nativeclient/issues/detail?id=3757
TEST=compile using new PNaCl toolchain
R=darin@chromium.org, thakis@chromium.org

Review URL: https://codereview.chromium.org/185583002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@254690 0039d316-1c4b-4281-b951-d872f2087c98
Enable HPACK Huffman decoding.

HpackDecoder is now constructed with an HpackHuffmanTable instance, and
applies it in the decoding of Huffman-encoded literals.

New HpackDecoder & HpackInputStream tests added for Huffman decoding,
including the full set of Huffman-encoded request and response examples
from the draft specification.

This lands server change 61903931 by jgraettinger.

BUG=339578

Review URL: https://codereview.chromium.org/182393002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@254691 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 254691
[telemetry] Fix Monsoon profiler, name result fields.


BUG=None.
TEST=tools/perf/run_benchmark smoothness.top_25 --profiler=monsoon

Review URL: https://codereview.chromium.org/185643005

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@254692 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 254692