Convert PhishingClassifierDelegateTest and PhishingDOMFeatureExtractorTest to a real browser_test.

Because creation of child frames now uses a synchronous IPC, all users of RenderViewFakeResourcesTest deadlock. This converts the PhishingClassifierDelegateTest and PhishingDOMFeatureExtractorTest to real browser tests which avoids the deadlock.

This is based off ajwong's change from https://codereview.chromium.org/57703005/

BUG=245126
R=ajwong@chromium.org, bryner@chromium.org

Review URL: https://codereview.chromium.org/59623013

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@236330 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 236330