[Reland] [Extensions] Make extension message bubble factory platform-abstract

chrome/browser/extensions/suspicious_extension_bubble_controller.cc

Index: chrome/browser/extensions/suspicious_extension_bubble_controller.cc
diff --git a/chrome/browser/extensions/suspicious_extension_bubble_controller.cc b/chrome/browser/extensions/suspicious_extension_bubble_controller.cc
index da364b2781e949169ad996e51bf43cb25f363639..94d189fe350ca6de1171cec56fedc6482083e5a2 100644
--- a/chrome/browser/extensions/suspicious_extension_bubble_controller.cc
+++ b/chrome/browser/extensions/suspicious_extension_bubble_controller.cc
@@ -53,6 +53,7 @@ class SuspiciousExtensionBubbleDelegate
   base::string16 GetActionButtonLabel() const override;
   base::string16 GetDismissButtonLabel() const override;
   bool ShouldShowExtensionList() const override;
+  bool ShouldHighlightExtensions() const override;
   void LogExtensionCount(size_t count) override;
   void LogAction(
       ExtensionMessageBubbleController::BubbleAction action) override;
@@ -126,11 +127,14 @@ SuspiciousExtensionBubbleDelegate::GetDismissButtonLabel() const {
   return l10n_util::GetStringUTF16(IDS_EXTENSIONS_UNSUPPORTED_DISABLED_BUTTON);
 }
 
-bool
-SuspiciousExtensionBubbleDelegate::ShouldShowExtensionList() const {
+bool SuspiciousExtensionBubbleDelegate::ShouldShowExtensionList() const {
   return true;
 }
 
+bool SuspiciousExtensionBubbleDelegate::ShouldHighlightExtensions() const {
+  return false;
+}
+
 void SuspiciousExtensionBubbleDelegate::LogExtensionCount(
     size_t count) {
   UMA_HISTOGRAM_COUNTS_100(