Improve settings override bubble to indicate policy installed extensions

chrome/browser/extensions/extension_message_bubble_controller.h

 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_EXTENSIONS_EXTENSION_MESSAGE_BUBBLE_CONTROLLER_H_
 #define CHROME_BROWSER_EXTENSIONS_EXTENSION_MESSAGE_BUBBLE_CONTROLLER_H_
 
 #include <stddef.h>
 
 #include <string>
@@ skipping 69 matching lines @@
     virtual bool ShouldLimitToEnabledExtensions() const = 0;
 
     // Record, through UMA, how many extensions were found.
     virtual void LogExtensionCount(size_t count) = 0;
     virtual void LogAction(BubbleAction action) = 0;
 
     // Returns a key unique to the type of bubble that can be used to retrieve
     // state specific to the type (e.g., shown for profiles).
     virtual const char* GetKey() = 0;
 
+    // Returns true if the extension is of a type that can be policy installed.

[Devlin, 2016/09/12 22:51:43]

nit: not if the extension is of type, but rather if the bubble is informing
about a single extension that could be policy-installed.

[catmullings, 2016/09/22 00:00:10]

Done.

+    // E.g. A proxy-type extension can be policy installed, but a developer-type
+    // extension cannot.
+    virtual bool SupportsPolicyIndicator() = 0;
+
     // Whether the "shown for profiles" set should be cleared if an action is
     // taken on the bubble. This defaults to true, since once an action is
     // taken, the extension will usually either be acknowledged or removed, and
     // the bubble won't show for that extension.
     // This should be false in cases where there is no acknowledgment option
     // (as in the developer-mode extension warning).
     virtual bool ClearProfileSetAfterAction();
 
     // Has the user acknowledged info about the extension the bubble reports.
     bool HasBubbleInfoBeenAcknowledged(const std::string& extension_id);
@@ skipping 109 matching lines @@
   bool is_active_bubble_;
 
   ScopedObserver<BrowserList, BrowserListObserver> browser_list_observer_;
 
   DISALLOW_COPY_AND_ASSIGN(ExtensionMessageBubbleController);
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_MESSAGE_BUBBLE_CONTROLLER_H_