Remove EPM:all_hosts_ and use all_extension_views_ instead.

chrome/browser/debugger/devtools_sanity_unittest.cc

Index: chrome/browser/debugger/devtools_sanity_unittest.cc
diff --git a/chrome/browser/debugger/devtools_sanity_unittest.cc b/chrome/browser/debugger/devtools_sanity_unittest.cc
index 2aacebd841ec70fc6958a3c703a5edac611594cf..59e34ad30c5be95ec6054a2680016db9d68548f4 100644
--- a/chrome/browser/debugger/devtools_sanity_unittest.cc
+++ b/chrome/browser/debugger/devtools_sanity_unittest.cc
@@ -231,9 +231,12 @@ class DevToolsExtensionTest : public DevToolsSanityTest,
 
     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();