Disable  pdf.PDFTest.testPDFRunner, nacl_sdk.NaClSDKTest.testVerifyNaClPlugin and plugins.PluginsTest.testBlockPluginException
Disable  pdf.PDFTest.testPDFRunner, nacl_sdk.NaClSDKTest.testVerifyNaClPlugin and plugins.PluginsTest.testBlockPluginException

BUG=100591,100593,100595
TEST=NONE
Review URL: http://codereview.chromium.org/8318024

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@105929 0039d316-1c4b-4281-b951-d872f2087c98

yitian134/chromium,adobe/chromium,gavinp/chromium,yitian134/chromium,ropik/chromium,yitian134/chromium,adobe/chromium,ropik/chromium,gavinp/chromium,yitian134/chromium,gavinp/chromium,ropik/chromium,ropik/chromium,adobe/chromium,gavinp/chromium,adobe/chromium,ropik/chromium,yitian134/chromium,adobe/chromium,adobe/chromium,yitian134/chromium,gavinp/chromium,adobe/chromium,adobe/chromium,yitian134/chromium,adobe/chromium,adobe/chromium,ropik/chromium,ropik/chromium,adobe/chromium,gavinp/chromium,ropik/chromium,gavinp/chromium,yitian134/chromium,gavinp/chromium,ropik/chromium,gavinp/chromium,yitian134/chromium,gavinp/chromium,yitian134/chromium