Dispatch runtime.onInstalled event if an extension is re-enabled after

  it was disabled due to permission escalation.

BUG=561660
Test=Provide an update of an extension that has more permissions
  than the previous one (e.g. "bookmarks"). Once the new version
  is installed, notice that there's a warning in chrome hotdog
  menu to accept new permissions. Upon accepting the permissions,
  observe chrome.runtime.onInstalled handler fires on the
  new version of the extension.
  See https://github.com/lazyboy/chromium/tree/master/tests/extensions/update_flow
  for detailed repro steps.

Review URL: https://codereview.chromium.org/1499493003

Cr-Commit-Position: refs/heads/master@{#364215}

1 files changed, 8 insertions, 0 deletions

diff --git a/extensions/browser/api/runtime/runtime_api.h b/extensions/browser/api/runtime/runtime_api.h
index 28ff852..a9ed93f 100644
--- a/extensions/browser/api/runtime/runtime_api.h
+++ b/extensions/browser/api/runtime/runtime_api.h
@@ -93,6 +93,14 @@ class RuntimeAPI : public BrowserContextKeyedAPI,
   // ProcessManagerObserver implementation:
   void OnBackgroundHostStartup(const Extension* extension) override;
 
+  // Pref related functions that deals with info about installed extensions that
+  // has not been loaded yet.
+  // Used to send chrome.runtime.onInstalled event upon loading the extensions.
+  bool ReadPendingOnInstallInfoFromPref(const ExtensionId& extension_id,
+                                        base::Version* previous_version);
+  void RemovePendingOnInstallInfoFromPref(const ExtensionId& extension_id);
+  void StorePendingOnInstallInfoToPref(const Extension* extension);
+
   scoped_ptr<RuntimeAPIDelegate> delegate_;
 
   content::BrowserContext* browser_context_;