| Index: third_party/WebKit/LayoutTests/webaudio/audiobuffer-copy-channel-expected.txt | 
| diff --git a/third_party/WebKit/LayoutTests/webaudio/audiobuffer-copy-channel-expected.txt b/third_party/WebKit/LayoutTests/webaudio/audiobuffer-copy-channel-expected.txt | 
| index ed76a39d33b1b7266764e3c94ff407993fc9f53d..eb466a6df2b22346cf05ee4b7579dbad1806954a 100644 | 
| --- a/third_party/WebKit/LayoutTests/webaudio/audiobuffer-copy-channel-expected.txt | 
| +++ b/third_party/WebKit/LayoutTests/webaudio/audiobuffer-copy-channel-expected.txt | 
| @@ -5,16 +5,16 @@ On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE | 
|  | 
| PASS AudioBuffer.prototype.copyFromChannel is defined. | 
| PASS buffer = context.createBuffer(3, 16, context.sampleRate) did not throw an exception. | 
| -PASS buffer.copyFromChannel(null, 0) threw TypeMismatchError: Failed to execute 'copyFromChannel' on 'AudioBuffer': The 1st argument provided is either null, or an invalid Float32Array object.. | 
| -PASS buffer.copyFromChannel(context, 0) threw TypeMismatchError: Failed to execute 'copyFromChannel' on 'AudioBuffer': The 1st argument provided is either null, or an invalid Float32Array object.. | 
| +PASS buffer.copyFromChannel(null, 0) threw TypeError: Failed to execute 'copyFromChannel' on 'AudioBuffer': parameter 1 is not of type 'Float32Array'.. | 
| +PASS buffer.copyFromChannel(context, 0) threw TypeError: Failed to execute 'copyFromChannel' on 'AudioBuffer': parameter 1 is not of type 'Float32Array'.. | 
| PASS buffer.copyFromChannel(x, -1) threw IndexSizeError: Failed to execute 'copyFromChannel' on 'AudioBuffer': The channelNumber provided (-1) is outside the range [0, 2].. | 
| PASS buffer.copyFromChannel(x, 3) threw IndexSizeError: Failed to execute 'copyFromChannel' on 'AudioBuffer': The channelNumber provided (3) is outside the range [0, 2].. | 
| PASS buffer.copyFromChannel(x, 0, -1) threw IndexSizeError: Failed to execute 'copyFromChannel' on 'AudioBuffer': The startInChannel provided (4294967295) is outside the range [0, 16).. | 
| PASS buffer.copyFromChannel(x, 0, 16) threw IndexSizeError: Failed to execute 'copyFromChannel' on 'AudioBuffer': The startInChannel provided (16) is outside the range [0, 16).. | 
| PASS buffer.copyFromChannel(x, 3) threw exception IndexSizeError: Failed to execute 'copyFromChannel' on 'AudioBuffer': The channelNumber provided (3) is outside the range [0, 2].. | 
| PASS AudioBuffer.prototype.copyToChannel is defined. | 
| -PASS buffer.copyToChannel(null, 0) threw TypeMismatchError: Failed to execute 'copyToChannel' on 'AudioBuffer': The 1st argument provided is either null, or an invalid Float32Array object.. | 
| -PASS buffer.copyToChannel(context, 0) threw TypeMismatchError: Failed to execute 'copyToChannel' on 'AudioBuffer': The 1st argument provided is either null, or an invalid Float32Array object.. | 
| +PASS buffer.copyToChannel(null, 0) threw TypeError: Failed to execute 'copyToChannel' on 'AudioBuffer': parameter 1 is not of type 'Float32Array'.. | 
| +PASS buffer.copyToChannel(context, 0) threw TypeError: Failed to execute 'copyToChannel' on 'AudioBuffer': parameter 1 is not of type 'Float32Array'.. | 
| PASS buffer.copyToChannel(x, -1) threw IndexSizeError: Failed to execute 'copyToChannel' on 'AudioBuffer': The channelNumber provided (-1) is outside the range [0, 2].. | 
| PASS buffer.copyToChannel(x, 3) threw IndexSizeError: Failed to execute 'copyToChannel' on 'AudioBuffer': The channelNumber provided (3) is outside the range [0, 2].. | 
| PASS buffer.copyToChannel(x, 0, -1) threw IndexSizeError: Failed to execute 'copyToChannel' on 'AudioBuffer': The startInChannel provided (4294967295) is outside the range [0, 16).. | 
|  |