Remove EPM:all_hosts_ and use all_extension_views_ instead.

chrome/browser/extensions/extension_browsertests_misc.cc

 // Copyright (c) 2012 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 "base/file_util.h"
 #include "base/memory/ref_counted.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/extensions/autoupdate_interceptor.h"
 #include "chrome/browser/extensions/extension_apitest.h"
 #include "chrome/browser/extensions/extension_browsertest.h"
@@ skipping 54 matching lines @@
 const std::string kHashPageB =
     "files/extensions/api_test/page_action/hash_change/test_page_B.html";
 
 // Looks for an ExtensionHost whose URL has the given path component (including
 // leading slash).  Also verifies that the expected number of hosts are loaded.
 static ExtensionHost* FindHostWithPath(ExtensionProcessManager* manager,
                                        const std::string& path,
                                        int expected_hosts) {
   ExtensionHost* host = NULL;
   int num_hosts = 0;
-  for (ExtensionProcessManager::const_iterator iter = manager->begin();
-       iter != manager->end(); ++iter) {
+  ExtensionProcessManager::ExtensionHostSet background_hosts =
+      manager->background_hosts();
+  for (ExtensionProcessManager::const_iterator iter = background_hosts.begin();
+       iter != background_hosts.end(); ++iter) {
     if ((*iter)->GetURL().path() == path) {
       EXPECT_FALSE(host);
       host = *iter;
     }
     num_hosts++;
   }
   EXPECT_EQ(expected_hosts, num_hosts);
   return host;
 }
 
@@ skipping 837 matching lines @@
 
   EXPECT_EQ(extension->GetResourceURL("options.html"),
             tab_strip->GetTabContentsAt(1)->web_contents()->GetURL());
 }
 
 //==============================================================================
 // STOP! Please do not add any more random-ass tests here. Create new files for
 // your tests grouped by functionality. Also, you should strongly consider using
 // ExtensionAPITest if possible.
 //==============================================================================