Remove EPM:all_hosts_ and use all_extension_views_ instead.

chrome/browser/extensions/extension_browsertest.cc

Index: chrome/browser/extensions/extension_browsertest.cc
diff --git a/chrome/browser/extensions/extension_browsertest.cc b/chrome/browser/extensions/extension_browsertest.cc
index f8358fa173e148a59a0eeb3c9c1b298914e8e316..0bab1eabf2b929e2451db63e8ec097dea9d2ac6f 100644
--- a/chrome/browser/extensions/extension_browsertest.cc
+++ b/chrome/browser/extensions/extension_browsertest.cc
@@ -31,6 +31,7 @@
 #include "chrome/test/base/ui_test_utils.h"
 #include "content/public/browser/notification_registrar.h"
 #include "content/public/browser/notification_service.h"
+#include "content/public/browser/web_contents.h"
 
 ExtensionBrowserTest::ExtensionBrowserTest()
     : loaded_(false),
@@ -395,9 +396,11 @@ bool ExtensionBrowserTest::WaitForExtensionHostsToLoad() {
 
   ExtensionProcessManager* manager =
         browser()->profile()->GetExtensionProcessManager();
-  for (ExtensionProcessManager::const_iterator iter = manager->begin();
-       iter != manager->end();) {
-    if ((*iter)->did_stop_loading()) {
+  ExtensionProcessManager::ContentsSet all_contents = manager->GetAllContents();
+  for (ExtensionProcessManager::ContentsSet::const_iterator iter =
+           all_contents.begin();
+       iter != all_contents.end();) {
+    if (!(*iter)->IsLoading()) {
       ++iter;
     } else {
       ui_test_utils::RunMessageLoop();
@@ -405,7 +408,7 @@ bool ExtensionBrowserTest::WaitForExtensionHostsToLoad() {
       // Test activity may have modified the set of extension processes during
       // message processing, so re-start the iteration to catch added/removed
       // processes.
-      iter = manager->begin();
+      iter = all_contents.begin();
     }
   }
   return true;