DevTools: move DevToolsAgent/Client into content.

BUG=84078
TEST=

Review URL: http://codereview.chromium.org/7461019

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@93596 0039d316-1c4b-4281-b951-d872f2087c98
void RenderView::didRunInsecureContent(
    WebFrame* frame, const WebSecurityOrigin& origin, const WebURL& target) {
  Send(new ViewHostMsg_DidRunInsecureContent(
      routing_id_,
      origin.toString().utf8(),
      target));
}

void RenderView::didRunInsecureContent(
    WebFrame* frame, const WebSecurityOrigin& origin, const WebURL& target) {
  Send(new ViewHostMsg_DidRunInsecureContent(
      routing_id_,
      origin.toString().utf8(),
      target));
}
