Remove SkPicture SK_SUPPORT_LEGACY_RECORDING_FLAG flag

Remove SkPicture SK_SUPPORT_LEGACY_RECORDING_FLAG flag

Chromium/Blink should no longer need this flag after:

Chromium: Remove use of kUsePathBoundsForClip_RecordingFlag https://codereview.chromium.org/322123002/

Blink: Remove use of kUsePathBoundsForClip_RecordingFlag https://codereview.chromium.org/326953002/

Committed: https://skia.googlesource.com/skia/+/02830f0448ce1af077cedc552e913f464834e455

[scroggo, 2014-06-12 15:01:53]

lgtm

[mtklein, 2014-06-12 15:09:53]

lgtm

[robertphillips, 2014-06-12 18:33:22]

The CQ bit was checked by robertphillips@google.com

[commit-bot: I haz the power, 2014-06-12 18:33:47]

CQ is trying da patch. Follow status at
 https://skia-tree-status.appspot.com/cq/robertphillips@google.com/328343002/1

[commit-bot: I haz the power, 2014-06-12 18:33:51]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2014-06-12 18:33:52]

Presubmit check for 328343002-1 failed and returned exit status 1.

Running presubmit commit checks ...

** Presubmit ERRORS **
Since the CL is editing public API, you must have an LGTM from one of:
('reed@chromium.org', 'reed@google.com', 'bsalomon@chromium.org',
'bsalomon@google.com')

[robertphillips, 2014-06-12 18:57:03]

Mike, Brian?

[reed1, 2014-06-12 18:58:00]

lgtm

[robertphillips, 2014-06-12 19:16:12]

The CQ bit was checked by robertphillips@google.com

[commit-bot: I haz the power, 2014-06-12 19:16:31]

CQ is trying da patch. Follow status at
 https://skia-tree-status.appspot.com/cq/robertphillips@google.com/328343002/1

[commit-bot: I haz the power, 2014-06-12 19:57:04]

Change committed as 02830f0448ce1af077cedc552e913f464834e455