MediaRecorder: remove ASSERTS in bitrate clamping.

third_party/WebKit/LayoutTests/fast/mediarecorder/MediaRecorder-bitrates.html

Index: third_party/WebKit/LayoutTests/fast/mediarecorder/MediaRecorder-bitrates.html
diff --git a/third_party/WebKit/LayoutTests/fast/mediarecorder/MediaRecorder-bitrates.html b/third_party/WebKit/LayoutTests/fast/mediarecorder/MediaRecorder-bitrates.html
index 4b758abd671a9880593df14dc81df6330aa9a252..b8b549a99a0d4f299540e0996ddc196a1f26a2c6 100644
--- a/third_party/WebKit/LayoutTests/fast/mediarecorder/MediaRecorder-bitrates.html
+++ b/third_party/WebKit/LayoutTests/fast/mediarecorder/MediaRecorder-bitrates.html
@@ -32,16 +32,21 @@ const kTooLargeBps = 1000000000;
 
 const kOkVideoBps = 500000;
 const kMinVideoBps = 100000;
+// Note that unspecified audio bitrates are not clamped to a minimum.
 makeExpectedBitrateAsyncTest({ videoBitsPerSecond : kOkVideoBps },
                              'Video bitrate OK',
                              { video : kOkVideoBps, audio : 0 });
 makeExpectedBitrateAsyncTest({ videoBitsPerSecond : kTooSmallBps },
                              'Video bitrate clamped to minimum',
                              { video : kMinVideoBps, audio : 0 });
+makeExpectedBitrateAsyncTest({ videoBitsPerSecond : 0 },
+                             'Video bitrate explicitly set to 0 is clamped',
+                             { video : kMinVideoBps, audio : 0 });
 
 const kOkAudioBps = 10000;
 const kMinAudioBps = 6000;  // https://www.opus-codec.org/
 const kMaxAudioBps = 128000;
+// Note that unspecified video bitrates are not clamped to a minimum.
 makeExpectedBitrateAsyncTest({ audioBitsPerSecond : kOkAudioBps },
                              'Audio bitrate OK',
                              { audio : kOkAudioBps, video : 0 });
@@ -51,6 +56,14 @@ makeExpectedBitrateAsyncTest({ audioBitsPerSecond : kTooSmallBps },
 makeExpectedBitrateAsyncTest({ audioBitsPerSecond : kTooLargeBps },
                              'Audio bitrate clamped to maximum',
                              { audio : kMaxAudioBps , video : 0});
+makeExpectedBitrateAsyncTest({ audioBitsPerSecond : 0 },
+                             'Audio bitrate explicitly 0 is clamped',
+                             { audio : kMinAudioBps, video : 0 });
+
+makeExpectedBitrateAsyncTest({},
+                             'Unspecified bitrates are not clamped',
+                             { video : 0, audio : 0 });
+
 makeExpectedBitrateAsyncTest({ videoBitsPerSecond : kOkVideoBps, audioBitsPerSecond : kOkAudioBps },
                              'Video and audio bitrates OK',
                              { video : kOkVideoBps, audio : kOkAudioBps });
@@ -61,10 +74,10 @@ makeExpectedBitrateAsyncTest({ bitsPerSecond : kOkOverallBps },
                              { video : kOkOverallBps * 0.9, audio : kOkOverallBps * 0.1 });
 makeExpectedBitrateAsyncTest({ videoBitsPerSecond : kOkVideoBps, bitsPerSecond : kOkOverallBps },
                              'Overall bitrate OK, w/ explicit video bitrate ignored',
-                              { video : kOkOverallBps * 0.9, audio : kOkOverallBps * 0.1 });
+                             { video : kOkOverallBps * 0.9, audio : kOkOverallBps * 0.1 });
 makeExpectedBitrateAsyncTest({ audioBitsPerSecond : kOkAudioBps, bitsPerSecond : kOkOverallBps },
-                              'Overall bitrate OK, w/ explicit audio bitrate ignored',
-                              { video : kOkOverallBps * 0.9, audio : kOkOverallBps * 0.1 });
+                             'Overall bitrate OK, w/ explicit audio bitrate ignored',
+                             { video : kOkOverallBps * 0.9, audio : kOkOverallBps * 0.1 });
 
 makeExpectedBitrateAsyncTest({ bitsPerSecond : 10E6 },
                              'Overall bitrate leads to audio clamped to its maximum',
@@ -76,5 +89,16 @@ makeExpectedBitrateAsyncTest({ bitsPerSecond : kTooSmallBps },
                              'Overall bitrate leads to both audio and video clamped to min',
                              { video : kMinVideoBps, audio : kMinAudioBps });
 
+makeExpectedBitrateAsyncTest({ videoBitsPerSecond: kOkVideoBps, bitsPerSecond: 0 },
+                             'Overall bitrate 0 overrides specified video bitrate',
+                             { video: kMinVideoBps, audio: kMinAudioBps });
+makeExpectedBitrateAsyncTest({ audioBitsPerSecond: kOkAudioBps, bitsPerSecond: 0 },
+                             'Overall bitrate 0 overrides specified audio bitrate',
+                             { video: kMinVideoBps, audio: kMinAudioBps });
+
+const kMaxInt32Value = Math.pow(2, 31) - 1;
+makeExpectedBitrateAsyncTest({ bitsPerSecond : -1 },
+                             'Overall bitrate too large is clamped',
+                             { video : kMaxInt32Value - kMaxAudioBps, audio : kMaxAudioBps});
 
 </script>