Fix chrome frame net tests which started crashing on startup after revision 78037 which adds a ContentBrowserClient interface which serves as a delegate to the content code.
Fix chrome frame net tests which started crashing on startup after revision 78037 which
adds a ContentBrowserClient interface which serves as a delegate to the content code.

Fix is to initialize the ContentBrowserClient interface as part of the initial bootstapping
code in the chrome frame net tests suite.

BUG=none
TEST=chrome frame net tests should run to completion.

Review URL: http://codereview.chromium.org/6685060

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@78073 0039d316-1c4b-4281-b951-d872f2087c98

Crystalnix/house-of-life-chromium,gavinp/chromium,yitian134/chromium,yitian134/chromium,adobe/chromium,adobe/chromium,yitian134/chromium,yitian134/chromium,gavinp/chromium,Crystalnix/house-of-life-chromium,adobe/chromium,ropik/chromium,adobe/chromium,Crystalnix/house-of-life-chromium,yitian134/chromium,gavinp/chromium,gavinp/chromium,gavinp/chromium,adobe/chromium,adobe/chromium,gavinp/chromium,Crystalnix/house-of-life-chromium,yitian134/chromium,yitian134/chromium,ropik/chromium,ropik/chromium,Crystalnix/house-of-life-chromium,ropik/chromium,adobe/chromium,Crystalnix/house-of-life-chromium,adobe/chromium,adobe/chromium,yitian134/chromium,ropik/chromium,yitian134/chromium,ropik/chromium,ropik/chromium,gavinp/chromium,Crystalnix/house-of-life-chromium,ropik/chromium,Crystalnix/house-of-life-chromium,Crystalnix/house-of-life-chromium,adobe/chromium,yitian134/chromium,gavinp/chromium,adobe/chromium,gavinp/chromium,gavinp/chromium,ropik/chromium,Crystalnix/house-of-life-chromium,Crystalnix/house-of-life-chromium