Avoid slow AudioParam automation path when possible

third_party/WebKit/LayoutTests/webaudio/biquad-automation-expected.txt

Index: third_party/WebKit/LayoutTests/webaudio/biquad-automation-expected.txt
diff --git a/third_party/WebKit/LayoutTests/webaudio/biquad-automation-expected.txt b/third_party/WebKit/LayoutTests/webaudio/biquad-automation-expected.txt
index 33d183a3d8de81d25a54b90b90c4d4274540b61e..5a7af14bab9f4add61576148e9c2f1a675a564b4 100644
--- a/third_party/WebKit/LayoutTests/webaudio/biquad-automation-expected.txt
+++ b/third_party/WebKit/LayoutTests/webaudio/biquad-automation-expected.txt
@@ -1,16 +1,14 @@
-CONSOLE WARNING: line 151: BiquadFilter.frequency.linearRampToValueAtTime value 8360 outside nominal range [0, 8000]; value will be clamped.
-CONSOLE WARNING: line 264: BiquadFilter.frequency.setValueAtTime value 10000 outside nominal range [0, 8000]; value will be clamped.
 Test Automation of Biquad Filters
 
 On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
 
 
-PASS Output of bandpass filter with frequency automation equals [0,0.0782652199268341,0.11744670569896698,-0.002010007156059146,-0.031139623373746872,0.0723838210105896,0.04615558311343193,-0.06974676996469498,-0.02473430149257183,0.06254426389932632,-0.02191624790430069,-0.09223899245262146,0.007647276856005192,0.04232903569936752,-0.07107919454574585,-0.07092036306858063,...] with an element-wise tolerance of 0.00005.
-PASS Output of bandpass filter with Q automation equals [0,0.014149743132293224,0.05313149467110634,0.11025312542915344,0.17868348956108093,0.25172680616378784,0.3230687975883484,0.3869902193546295,0.4385446012020111,0.47369763255119324,0.48942655324935913,0.48377954959869385,0.455895334482193,0.40598464012145996,0.3352759778499603,0.24592919647693634,...] with an element-wise tolerance of 0.0000014.
-PASS Output of lowshelf filter with gain automation equals [0,0.47856831550598145,1.5545729398727417,3.054399251937866,4.675719738006592,6.195427417755127,7.4982218742370605,8.538782119750977,9.301715850830078,9.779485702514648,9.966057777404785,9.858304977416992,9.459100723266602,8.779397964477539,7.838820934295654,6.665206432342529,...] with an element-wise tolerance of 0.000008.
-PASS Output of bandpass filter with detune automation equals [0,0.0008333204896189272,0.0014042853144928813,0.0003864644968416542,0.0001289713109144941,0.0012249316787347198,0.0011354259913787246,0.00006134019349701703,0.00048309186240658164,0.0014227250358089805,0.0007017588941380382,-0.000017982178178499453,0.0009253751486539841,0.0013467228272929788,0.0002655529824551195,0.00017780107737053186,...] with an element-wise tolerance of 0.000005.
-PASS Output of peaking filter with automation of all parameters equals [0,0.9876883625984192,-0.30901700258255005,-0.8910065293312073,0.5877852439880371,0.7071067690849304,-0.80901700258255,-0.45399048924446106,0.9510565400123596,0.15643446147441864,-1,0.15643446147441864,0.9510565400123596,-0.45399048924446106,-0.80901700258255,0.7071067690849304,...] with an element-wise tolerance of 0.00033.
-PASS Output of bandpass filter with sinusoidal modulation of bandpass center frequency equals [0,0.0018003738950937986,0.00716581242159009,0.015862563624978065,0.027496544644236565,0.04151911661028862,0.05723972246050835,0.07384545356035233,0.09042731672525406,0.10601259768009186,0.11960244923830032,0.13021349906921387,0.13692189753055573,0.13890819251537323,0.13550083339214325,0.12621651589870453,...] with an element-wise tolerance of 0.000004.
+PASS Output of bandpass filter with frequency automation equals [0,0.27211377024650574,0.17078085243701935,-0.47929149866104126,-0.27997663617134094,0.3924965262413025,0.10922128707170486,-0.3936297297477722,0.0668390765786171,0.40758851170539856,-0.18572545051574707,-0.35690367221832275,0.28689950704574585,0.26041892170906067,-0.3702554702758789,-0.14302822947502136,...] with an element-wise tolerance of 0.0000048429.
+PASS Output of bandpass filter with Q automation equals [0,0.013992002233862877,0.052294112741947174,0.1082303449511528,0.17509238421916962,0.24637210369110107,0.3159724175930023,0.3783925771713257,0.4288841784000397,0.4635751247406006,0.47955939173698425,0.47495153546333313,0.4489057660102844,0.40160006284713745,0.3341873586177826,0.2487161010503769,...] with an element-wise tolerance of 0.0000011062.
+PASS Output of lowshelf filter with gain automation equals [0,0.47850650548934937,1.554081916809082,3.0527422428131104,4.671957969665527,6.188648223876953,7.4877095222473145,8.524102210998535,9.282732963562012,9.756352424621582,9.939204216003418,9.828425407409668,9.427144050598145,8.746537208557129,7.806419372558594,6.634762763977051,...] with an element-wise tolerance of 0.000014306.
+PASS Output of bandpass filter with detune automation equals [0,0.0008340422064065933,0.0014052728656679392,0.0003835858660750091,0.0001248704647878185,0.0012254818575456738,0.0011344455415382981,0.000052847364713670686,0.0004774949047714472,0.0014240697491914034,0.0006955951685085893,-0.000031629722798243165,0.0009216234902851284,0.0013469421537593007,0.0002514156512916088,0.0001623158750589937,...] with an element-wise tolerance of 0.000029535.
+PASS Output of peaking filter with automation of all parameters equals [0,0.9876883625984192,-0.30901700258255005,-0.8910065293312073,0.5877852439880371,0.7071067690849304,-0.80901700258255,-0.45399048924446106,0.9510565400123596,0.15643446147441864,-1,0.15643446147441864,0.9510565400123596,-0.45399048924446106,-0.80901700258255,0.7071067690849304,...] with an element-wise tolerance of 0.00031233.
+PASS Output of bandpass filter with sinusoidal modulation of bandpass center frequency equals [0,0.0018003738950937986,0.00716581242159009,0.015862563624978065,0.027496544644236565,0.04151911661028862,0.05723972246050835,0.07384545356035233,0.09042731672525406,0.10601259768009186,0.11960244923830032,0.13021349906921387,0.13692189753055573,0.13890819251537323,0.13550083339214325,0.12621651589870453,...] with an element-wise tolerance of 0.000039787.
 PASS successfullyParsed is true
 
 TEST COMPLETE