Make PPAPI use 'new ProgressEvent' instead of initProgressEvent.
Make PPAPI use 'new ProgressEvent' instead of initProgressEvent.

initProgressEvent is going away soon.

BUG=103194
TEST=cd native_client; ./scons chrome_browser_tests disable_dynamic_plugin_loading=1 chrome_browser_path=/path/to/your/chrome

Review URL: http://codereview.chromium.org/8488002
Patch from Dominic Cooney <dominicc@chromium.org>.

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@110266 0039d316-1c4b-4281-b951-d872f2087c98

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