Revert of Cache blur mask for rects which can not break into nine-patch

Revert of Cache blur mask for rects which can not break into nine-patch (patchset #10 id:200001 of https://codereview.chromium.org/729463002/)

Reason for revert:
revert it due to a memory leak.
==8017==ERROR: LeakSanitizer: detected memory leaks

Direct leak of 25992 byte(s) in 2 object(s) allocated from:
    #0 0x7feb53030e0b in __interceptor_malloc
(/home/default/storage/skia-repo/buildbot/skiabot-linux-xsan-000/build/slave/Test-Ubuntu13_10-GCE-NoGPU-x86_64-Debug-ASAN/build/skia/out/Debug/gm+0x24fe0b)
    #1 0x7feb54d54f76 in sk_malloc_flags(unsigned long, unsigned int)
/home/default/storage/skia-repo/buildbot/skiabot-linux-xsan-000/build/slave/Test-Ubuntu13_10-GCE-NoGPU-x86_64-Debug-ASAN/build/skia/out/Debug/../../src/ports/SkMemory_malloc.cpp:54:15
    #2 0x7feb54d54d4a in sk_malloc_throw(unsigned long)
/home/default/storage/skia-repo/buildbot/skiabot-linux-xsan-000/build/slave/Test-Ubuntu13_10-GCE-NoGPU-x86_64-Debug-ASAN/build/skia/out/Debug/../../src/ports/SkMemory_malloc.cpp:40:12
    #3 0x7feb539f5a77 in SkMask::AllocImage(unsigned long)
/home/default/storage/skia-repo/buildbot/skiabot-linux-xsan-000/build/slave/Test-Ubuntu13_10-GCE-NoGPU-x86_64-Debug-ASAN/build/skia/out/Debug/../../src/core/SkMask.cpp:37:22
    #4 0x7feb53fe5c34 in (anonymous
namespace)::copy_cacheddata_to_mask(SkCachedData*, SkMask*)
/home/default/storage/skia-repo/buildbot/skiabot-linux-xsan-000/build/slave/Test-Ubuntu13_10-GCE-NoGPU-x86_64-Debug-ASAN/build/skia/out/Debug/../../src/core/SkMaskCache.cpp:25:20
    #5 0x7feb53fea064 in SkMaskCache::FindAndCopy(float, SkBlurStyle,
SkBlurQuality, SkRect const*, int, SkMask*)
/home/default/storage/skia-repo/buildbot/skiabot-linux-xsan-000/build/slave/Test-Ubuntu13_10-GCE-NoGPU-x86_64-Debug-ASAN/build/skia/out/Debug/../../src/core/SkMaskCache.cpp:224:26
    #6 0x7feb539f957e in SkMaskFilter::filterPath(SkPath const&, SkMatrix
const&, SkRasterClip const&, SkBlitter*, SkPaint::Style) const
/home/default/storage/skia-repo/buildbot/skiabot-linux-xsan-000/build/slave/Test-Ubuntu13_10-GCE-NoGPU-x86_64-Debug-ASAN/build/skia/out/Debug/../../src/core/SkMaskFilter.cpp:270:14
    #7 0x7feb5392e920 in SkDraw::drawPath(SkPath const&, SkPaint const&,
SkMatrix const*, bool, bool, SkBlitter*) const
/home/default/storage/skia-repo/buildbot/skiabot-linux-xsan-000/build/slave/Test-Ubuntu13_10-GCE-NoGPU-x86_64-Debug-ASAN/build/skia/out/Debug/../../src/core/SkDraw.cpp:1117:13
    #8 0x7feb53694afc in SkDraw::drawPath(SkPath const&, SkPaint const&,
SkMatrix const*, bool) const
/home/default/storage/skia-repo/buildbot/skiabot-linux-xsan-000/build/slave/Test-Ubuntu13_10-GCE-NoGPU-x86_64-Debug-ASAN/build/skia/out/Debug/../../include/core/SkDraw.h:54:9
    #9 0x7feb5368d799 in SkBitmapDevice::drawPath(SkDraw const&, SkPath const&,
SkPaint const&, SkMatrix const*, bool)
/home/default/storage/skia-repo/buildbot/skiabot-linux-xsan-000/build/slave/Test-Ubuntu13_10-GCE-NoGPU-x86_64-Debug-ASAN/build/skia/out/Debug/../../src/core/SkBitmapDevice.cpp:216:5
    #10 0x7feb5386aa57 in SkCanvas::onDrawPath(SkPath const&, SkPaint const&)
/home/default/storage/skia-repo/buildbot/skiabot-linux-xsan-000/build/slave/Test-Ubuntu13_10-GCE-NoGPU-x86_64-Debug-ASAN/build/skia/out/Debug/../../src/core/SkCanvas.cpp:1908:9
    #11 0x7feb5386386b in SkCanvas::drawPath(SkPath const&, SkPaint const&)
/home/default/storage/skia-repo/buildbot/skiabot-linux-xsan-000/build/slave/Test-Ubuntu13_10-GCE-NoGPU-x86_64-Debug-ASAN/build/skia/out/Debug/../../src/core/SkCanvas.cpp:1703:5
    #12 0x7feb53109572 in Blur2RectsNonNinePatchGM::onDraw(SkCanvas*)
/home/default/storage/skia-repo/buildbot/skiabot-linux-xsan-000/build/slave/Test-Ubuntu13_10-GCE-NoGPU-x86_64-Debug-ASAN/build/skia/out/Debug/../../gm/blurs.cpp:166:9

Original issue's description:
> Cache blur mask for rects which can not break into nine-patch
> 
> With this CL performance improves:
> blurrectsnonninepatch   42.4us -> 20.5us        0.48x
> 
> BUG=431021, skia:3118
> 
> Committed: https://skia.googlesource.com/skia/+/5a5b4e900ee69540fc35952882a323c63d6d0db9

TBR=reed@google.com,humper@google.com,reed@chromium.org
NOTREECHECKS=true
NOTRY=true
BUG=431021, skia:3118
Committed: https://skia.googlesource.com/skia/+/eabd0d73eebb940ec5ea06625f612a80156b61db

[qiankun, 2015-01-08 03:13:50]

Created Revert of Cache blur mask for rects which can not break into nine-patch

[commit-bot: I haz the power, 2015-01-08 03:14:04]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/844673002/1

[commit-bot: I haz the power, 2015-01-08 03:14:05]

Note for Reviewers:
The CQ is waiting for an approval.
If you believe that the CL is not ready yet, or if you would like to L-G-T-M
with comments then please uncheck the CQ checkbox.

Waiting for LGTM from valid reviewer(s) till 2015-01-08 09:14 UTC

[reed2, 2015-01-08 03:19:02]

lgtm

[commit-bot: I haz the power, 2015-01-08 03:20:53]

Committed patchset #1 (id:1) as
https://skia.googlesource.com/skia/+/eabd0d73eebb940ec5ea06625f612a80156b61db