Revert of [Extensions] Don't count bubble dismissal from focus loss as acknowledgment

chrome/browser/extensions/dev_mode_bubble_delegate.cc

Index: chrome/browser/extensions/dev_mode_bubble_delegate.cc
diff --git a/chrome/browser/extensions/dev_mode_bubble_delegate.cc b/chrome/browser/extensions/dev_mode_bubble_delegate.cc
index 1ac48c9192f0f73e7c6c3096eaf62600e4715055..5f723de49a978ba6752768282ac02624d452ec09 100644
--- a/chrome/browser/extensions/dev_mode_bubble_delegate.cc
+++ b/chrome/browser/extensions/dev_mode_bubble_delegate.cc
@@ -18,6 +18,13 @@
 #include "ui/base/l10n/l10n_util.h"
 
 namespace extensions {
+
+namespace {
+
+base::LazyInstance<std::set<Profile*> > g_shown_for_profiles =
+    LAZY_INSTANCE_INITIALIZER;
+
+}  // namespace
 
 DevModeBubbleDelegate::DevModeBubbleDelegate(Profile* profile)
     : ExtensionMessageBubbleController::Delegate(profile) {
@@ -98,12 +105,13 @@
       action, ExtensionMessageBubbleController::ACTION_BOUNDARY);
 }
 
-const char* DevModeBubbleDelegate::GetKey() {
-  return "DevModeBubbleDelegate";
+std::set<Profile*>* DevModeBubbleDelegate::GetProfileSet() {
+  return g_shown_for_profiles.Pointer();
 }
 
-bool DevModeBubbleDelegate::ClearProfileSetAfterAction() {
-  return false;
+// static
+void DevModeBubbleDelegate::ClearProfileListForTesting() {
+  g_shown_for_profiles.Get().clear();
 }
 
 }  // namespace extensions