Slim Skia down to just one murmur3 implementation.

Slim Skia down to just one murmur3 implementation.

BUG=skia:

Committed: https://skia.googlesource.com/skia/+/6ac0037b70410ff7d5ce5788bc89314223e1a587

Committed: https://skia.googlesource.com/skia/+/67a3271f0de9ccc32d559b042b862528272047cc

Committed: https://skia.googlesource.com/skia/+/53d435990bdb4d14df78013da45a9364d0287ebe

CQ_EXTRA_TRYBOTS=tryserver.skia:Perf-Mac10.6-MacMini4.1-GeForce320M-x86_64-Release-Trybot

Committed: https://skia.googlesource.com/skia/+/19fcc7494e68843cb9f2de819a7287ee216e3c5e

[reed1, 2014-07-09 15:17:44]

lgtm

[mtklein, 2014-07-09 15:29:18]

The CQ bit was checked by mtklein@google.com

[commit-bot: I haz the power, 2014-07-09 15:30:25]

CQ is trying da patch. Follow status at
 https://skia-tree-status.appspot.com/cq/mtklein@chromium.org/376183004/1

[commit-bot: I haz the power, 2014-07-09 15:49:11]

Change committed as 6ac0037b70410ff7d5ce5788bc89314223e1a587

[mtklein, 2014-07-09 21:17:37]

A revert of this CL has been created in
https://codereview.chromium.org/378413002/ by mtklein@google.com.

The reason for reverting is: Valgrind unhappy.  skia:2735.

[mtklein, 2014-07-10 12:43:21]

The CQ bit was checked by mtklein@google.com

[commit-bot: I haz the power, 2014-07-10 12:43:57]

CQ is trying da patch. Follow status at
 https://skia-tree-status.appspot.com/cq/mtklein@chromium.org/376183004/20001

[commit-bot: I haz the power, 2014-07-10 13:03:50]

Change committed as 67a3271f0de9ccc32d559b042b862528272047cc

[mtklein, 2014-07-10 19:05:04]

Please have another look?

[reed1, 2014-07-10 19:07:42]

lgtm

[mtklein, 2014-07-10 19:08:03]

The CQ bit was checked by mtklein@google.com

[commit-bot: I haz the power, 2014-07-10 19:08:45]

CQ is trying da patch. Follow status at
 https://skia-tree-status.appspot.com/cq/mtklein@chromium.org/376183004/100001

[mtklein, 2014-07-10 19:19:18]

The CQ bit was checked by mtklein@google.com

[commit-bot: I haz the power, 2014-07-10 19:19:25]

CQ is trying da patch. Follow status at
 https://skia-tree-status.appspot.com/cq/mtklein@chromium.org/376183004/120001

[commit-bot: I haz the power, 2014-07-10 21:10:56]

Change committed as 53d435990bdb4d14df78013da45a9364d0287ebe

[reed1, 2014-07-10 21:29:09]

A revert of this CL has been created in
https://codereview.chromium.org/381253003/ by reed@google.com.

The reason for reverting is: broke 10.6 compile

[17:13:56.863876] [4/336] CXX obj/src/core/core.SkBBoxHierarchyRecord.o
[17:13:56.863997] FAILED: c++ -MMD -MF obj/src/core/core.SkBBoxRecord.o.d
-DSK_INTERNAL -DSK_GAMMA_SRGB -DSK_GAMMA_APPLY_TO_A8
-DSK_SCALAR_TO_FLOAT_EXCLUDED -DSK_ALLOW_STATIC_GLOBAL_INITIALIZERS=1
-DSK_SUPPORT_GPU=1 -DSK_SUPPORT_OPENCL=0 -DSK_FORCE_DISTANCEFIELD_FONTS=0
-DSK_SCALAR_IS_FLOAT -DSK_BUILD_FOR_MAC -DSK_USE_POSIX_THREADS -DSK_RELEASE
-DNDEBUG -I../../include/config -I../../include/core -I../../include/pathops
-I../../include/pipe -I../../include/ports -I../../include/utils
-I../../include/xml -I../../src/core -I../../src/sfnt -I../../src/image
-I../../src/opts -I../../src/utils -I../../include/utils/mac -I../../include/gpu
-I../../src/gpu -fasm-blocks -mpascal-strings -O3 -gdwarf-2 -Wnewline-eof
-mmacosx-version-min=10.6 -arch x86_64 -mssse3 -fvisibility=hidden
-fvisibility-inlines-hidden  -c ../../src/core/SkBBoxRecord.cpp -o
obj/src/core/core.SkBBoxRecord.o
[17:13:56.864085] In file included from ../../src/core/SkPictureFlat.h:14,
[17:13:56.864130]                  from ../../src/core/SkPictureData.h:14,
[17:13:56.864173]                  from ../../src/core/SkPictureRecord.h:18,
[17:13:56.864217]                  from ../../src/core/SkBBoxRecord.h:12,
[17:13:56.864261]                  from ../../src/core/SkBBoxRecord.cpp:9:
[17:13:56.864336] ../../src/core/SkChecksum.h: In static member function ‘static
uint32_t SkChecksum::Compute(const uint32_t*, size_t)’:
[17:13:56.864397] ../../src/core/SkChecksum.h:127: error: invalid conversion
from ‘const uint32_t*’ to ‘const uint32_t*’
[17:13:56.864462] ../../src/core/SkChecksum.h:128: error: invalid conversion
from ‘const uint32_t*’ to ‘const uint32_t*’
[17:13:56.864510] ../../src/core/SkChecksum.h:129: error: comparison between
distinct pointer types ‘const uint32_t*’ and ‘const uint32_t*’ lacks a cast
.

[mtklein, 2014-07-10 22:01:02]

New contender for worst error message of the year!

error: comparison between distinct pointer types 'const uint32_t*' and 'const
uint32_t*' lacks a cast

[mtklein, 2014-07-11 14:22:21]

The CQ bit was checked by mtklein@google.com

[commit-bot: I haz the power, 2014-07-11 14:23:15]

CQ is trying da patch. Follow status at
 https://skia-tree-status.appspot.com/cq/mtklein@chromium.org/376183004/200001

[commit-bot: I haz the power, 2014-07-11 15:42:21]

Change committed as 19fcc7494e68843cb9f2de819a7287ee216e3c5e