Attempt to repair corrupt enterprise policy force-installed extensions

chrome/browser/extensions/pending_extension_manager.cc

 // Copyright 2014 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.
 
 #include "chrome/browser/extensions/pending_extension_manager.h"
 
 #include <algorithm>
 
 #include "base/logging.h"
+#include "base/metrics/histogram.h"
+#include "base/stl_util.h"
 #include "base/version.h"
 #include "chrome/common/extensions/extension_constants.h"
 #include "content/public/browser/browser_thread.h"
 #include "extensions/browser/extension_prefs.h"
 #include "extensions/browser/extension_registry.h"
 #include "extensions/common/constants.h"
 #include "extensions/common/extension.h"
 #include "url/gurl.h"
 
 using content::BrowserThread;
@@ skipping 26 matching lines @@
        iter != pending_extension_list_.end();
        ++iter) {
     if (id == iter->id())
       return &(*iter);
   }
 
   return NULL;
 }
 
 bool PendingExtensionManager::Remove(const std::string& id) {
+  if (base::ContainsKey(expected_policy_reinstalls_, id)) {
+    base::TimeDelta latency =
+        base::TimeTicks::Now() - expected_policy_reinstalls_[id];
+    UMA_HISTOGRAM_LONG_TIMES("Extensions.CorruptPolicyExtensionResolved",
+                             latency);
+    expected_policy_reinstalls_.erase(id);
+  }
   PendingExtensionList::iterator iter;
   for (iter = pending_extension_list_.begin();
        iter != pending_extension_list_.end();
        ++iter) {
     if (id == iter->id()) {
       pending_extension_list_.erase(iter);
       return true;
     }
   }
 
@@ skipping 13 matching lines @@
   for (iter = pending_extension_list_.begin();
        iter != pending_extension_list_.end();
        ++iter) {
     if (iter->is_from_sync())
       return true;
   }
 
   return false;
 }
 
+void PendingExtensionManager::ExpectPolicyReinstallForCorruption(
+    const ExtensionId& id) {
+  expected_policy_reinstalls_[id] = base::TimeTicks::Now();
+  UMA_HISTOGRAM_BOOLEAN("Extensions.CorruptPolicyExtensionDetected", true);
+}
+
+bool PendingExtensionManager::IsPolicyReinstallForCorruptionExpected(
+    const ExtensionId& id) const {
+  return base::ContainsKey(expected_policy_reinstalls_, id);
+}
+
 bool PendingExtensionManager::AddFromSync(
     const std::string& id,
     const GURL& update_url,
     const base::Version& version,
     PendingExtensionInfo::ShouldAllowInstallPredicate should_allow_install,
     bool remote_install) {
   CHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 
   if (ExtensionRegistry::Get(context_)->GetExtensionById(
           id, ExtensionRegistry::EVERYTHING)) {
@@ skipping 203 matching lines @@
 
   return true;
 }
 
 void PendingExtensionManager::AddForTesting(
     const PendingExtensionInfo& pending_extension_info) {
   pending_extension_list_.push_back(pending_extension_info);
 }
 
 }  // namespace extensions