Convert PhishingClassifierTest to a real browser test.

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

BUG=245126

Review URL: https://codereview.chromium.org/55983006

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@233612 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 233612