Remove the obsolete 'webkitspeech' attribute from test html files. This attribute has been renamed to x-webkit-speech earlier and the webkit changes have now been rolled into Chromium.
Remove the obsolete 'webkitspeech' attribute from test html files.
This attribute has been renamed to x-webkit-speech earlier and the webkit changes have now been rolled into Chromium.

BUG=none
TEST=browser_tests --gtest_filter=SpeechInputBrowserTest.*

Review URL: http://codereview.chromium.org/3582012

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@61632 0039d316-1c4b-4281-b951-d872f2087c98

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