Adding unit tests for the SafeBrowsingBlockingPage class

chrome/browser/renderer_host/mock_render_process_host.cc

 // Copyright (c) 2009 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/renderer_host/mock_render_process_host.h"
 
 MockRenderProcessHost::MockRenderProcessHost(Profile* profile)
     : RenderProcessHost(profile),
       transport_dib_(NULL) {
+  static int prev_pid = 0;
+  SetProcessID(++prev_pid);
 }
 
 MockRenderProcessHost::~MockRenderProcessHost() {
   delete transport_dib_;
 }
 
 bool MockRenderProcessHost::Init() {
   return true;
 }
 
@@ skipping 56 matching lines @@
 #endif
 
   return transport_dib_;
 }
 
 void MockRenderProcessHost::OnMessageReceived(const IPC::Message& msg) {
 }
 
 void MockRenderProcessHost::OnChannelConnected(int32 peer_pid) {
 }