Add the "mfpmath=sse" compiler flag for ChromeOS devices.

Add the "mfpmath=sse" compiler flag for ChromeOS devices.

This is to preventng floating-point computations in the 80-bit precision
on x87. Please see more details in:
http://codereview.chromium.org/42340/patch/64/2085

BUG=261358
TEST=Play videos on Parrot

Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=218068

[Owen Lin, 2013-08-16 06:47:37]

PTAL

[Ami GONE FROM CHROMIUM, 2013-08-16 15:52:37]

LGTM

(though as you found out, we should probably be building with these flags for
all x86; resuming another thread for that)

[Ami GONE FROM CHROMIUM, 2013-08-16 15:57:51]

On 2013/08/16 15:52:37, Ami Fischman wrote:
> LGTM
> 
> (though as you found out, we should probably be building with these flags for
> all x86; resuming another thread for that)

FTR that other thread is go/vbpyv (google-internal only)

[commit-bot: I haz the power, 2013-08-16 16:34:06]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/owenlin@chromium.org/23181007/1

[commit-bot: I haz the power, 2013-08-16 16:44:41]

Retried try job too often on chromium_presubmit for step(s) presubmit
http://build.chromium.org/p/tryserver.chromium/buildstatus?builder=chromium_p...

[commit-bot: I haz the power, 2013-08-16 16:57:20]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/owenlin@chromium.org/23181007/1

[commit-bot: I haz the power, 2013-08-16 19:54:55]

Change committed as 218068

[fbarchard, 2013-08-19 05:57:37]

On 2013/08/16 19:54:55, I haz the power (commit-bot) wrote:
> Change committed as 218068

LGTM
Consider requiring SSE/SSE2 for media in general.