Implement suspend() and resume() for OfflineAudioContext

third_party/WebKit/LayoutTests/webaudio/offlineaudiocontext-suspend-resume-eventhandler-expected.txt

Index: third_party/WebKit/LayoutTests/webaudio/offlineaudiocontext-suspend-resume-eventhandler-expected.txt
diff --git a/third_party/WebKit/LayoutTests/webaudio/offlineaudiocontext-suspend-resume-eventhandler-expected.txt b/third_party/WebKit/LayoutTests/webaudio/offlineaudiocontext-suspend-resume-eventhandler-expected.txt
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index 0000000000000000000000000000000000000000..e4b6237fcfb10eeb1a102727b427c3c9dcea288a
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+Test event handler callback from OfflineAudioContext.resume() and OfflineAudioContext.suspend().
+
+On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
+
+
+PASS A new suspend has been scheduled at 0 second(s).
+PASS onstatechange event handler: context is suspended at 0 second(s).
+PASS A new suspend has been scheduled at 0.25 second(s).
+PASS onstatechange event handler: context is suspended at 0.25 second(s).
+PASS A new suspend has been scheduled at 0.5 second(s).
+PASS onstatechange event handler: context is suspended at 0.5 second(s).
+PASS A new suspend has been scheduled at 0.75 second(s).
+PASS onstatechange event handler: context is suspended at 0.75 second(s).
+PASS A new suspend has been scheduled at 1 second(s).
+PASS onstatechange event handler: context is suspended at 1 second(s).
+PASS A new suspend has been scheduled at 1.25 second(s).
+PASS onstatechange event handler: context is suspended at 1.25 second(s).
+PASS A new suspend has been scheduled at 1.5 second(s).
+PASS onstatechange event handler: context is suspended at 1.5 second(s).
+PASS A new suspend has been scheduled at 1.75 second(s).
+PASS onstatechange event handler: context is suspended at 1.75 second(s).
+PASS Scheduling at 2 seconds rejected correctly (with InvalidStateError: cannot schedule a suspend at frame 25600 (2 seconds) because it is greater than or equal to the total render duration of 25600 frames).
+PASS oncomplete event handler: context.state is equal to closed.
+PASS successfullyParsed is true
+
+TEST COMPLETE
+