[Extensions] Remove unused method

ActionInfo::IsVerboseInstallMessage() was never used. Remove it.

Bug: None
Change-Id: Ic7aa36bdb3332fc0f6eba466eff576854c6c66e8
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2080951Reviewed-by: Istiaque Ahmed <lazyboy@chromium.org>
Commit-Queue: Devlin <rdevlin.cronin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#746966}

chrome/common/extensions/api/extension_action/action_info.cc

@@ -7,7 +7,6 @@
 #include <memory>
 
 #include "base/strings/utf_string_conversions.h"
-#include "chrome/common/extensions/api/commands/commands_handler.h"
 #include "extensions/common/constants.h"
 #include "extensions/common/error_utils.h"
 #include "extensions/common/extension.h"
@@ -201,12 +200,4 @@ void ActionInfo::SetPageActionInfo(Extension* extension,
                              std::make_unique<ActionInfoData>(std::move(info)));
 }
 
-// static
-bool ActionInfo::IsVerboseInstallMessage(const Extension* extension) {
-  const ActionInfo* page_action_info = GetPageActionInfo(extension);
-  return page_action_info &&
-      (CommandsInfo::GetPageActionCommand(extension) ||
-       !page_action_info->default_icon.empty());
-}
-
 }  // namespace extensions

chrome/common/extensions/api/extension_action/action_info.h

@@ -71,10 +71,6 @@ struct ActionInfo {
   static void SetPageActionInfo(Extension* extension,
                                 std::unique_ptr<ActionInfo> info);
 
-  // Returns true if the extension needs a verbose install message because
-  // of its page action.
-  static bool IsVerboseInstallMessage(const Extension* extension);
-
   // The key this action corresponds to. NOTE: You should only use this if you
   // care about the actual manifest key. Use the other members (like
   // |default_state| for querying general info.