https://bugs.webkit.org/show_bug.cgi?id=118405.

Patch by Praveen R Jadhav <praveen.j@samsung.com> on 2013-07-09
Reviewed by Chris Rogers.

Source/WebCore:

AudioBufferSourceNode, OscillatorNode and AnalyserNode don't
propagate exception mentioned in WebAudio spec.
Code updated to throw DOM exception as expected.

Tests: webaudio/analyser-exception.html
       webaudio/audiobuffersource-exception.html

* Modules/webaudio/AnalyserNode.cpp:
(WebCore::AnalyserNode::setFftSize):
(WebCore::AnalyserNode::setMinDecibels):
(WebCore::AnalyserNode::setMaxDecibels):
(WebCore::AnalyserNode::setSmoothingTimeConstant):
* Modules/webaudio/AnalyserNode.h:
* Modules/webaudio/AnalyserNode.idl:
* Modules/webaudio/AudioBufferSourceNode.cpp:
(WebCore::AudioBufferSourceNode::startGrain):
(WebCore::AudioBufferSourceNode::noteGrainOn):
* Modules/webaudio/AudioBufferSourceNode.h:
* Modules/webaudio/AudioBufferSourceNode.idl:
* Modules/webaudio/AudioContext.cpp:
(WebCore::AudioContext::createBuffer):
(WebCore::AudioContext::createScriptProcessor):
(WebCore::AudioContext::createPeriodicWave):
* Modules/webaudio/AudioScheduledSourceNode.cpp:
(WebCore::AudioScheduledSourceNode::start):
(WebCore::AudioScheduledSourceNode::stop):
(WebCore::AudioScheduledSourceNode::noteOn):
(WebCore::AudioScheduledSourceNode::noteOff):
* Modules/webaudio/AudioScheduledSourceNode.h:
* Modules/webaudio/OscillatorNode.idl:

LayoutTests:

New test cases to check exception handling in AnalyserNode and
AudioBufferSourceNode.

* webaudio/analyser-exception-expected.txt: Added.
* webaudio/analyser-exception.html: Added.
* webaudio/audiobuffersource-exception-expected.txt: Added.
* webaudio/audiobuffersource-exception.html: Added.

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@152489 268f45cc-cd09-0410-ab3c-d52691b4dbfc