This adds a recovery mode to the diagnostics

chrome/browser/diagnostics/diagnostics_controller.cc

 // Copyright 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.
 
 #include "chrome/browser/diagnostics/diagnostics_controller.h"
 
 #include <string>
 
 #include "base/command_line.h"
 #include "base/logging.h"
@@ skipping 16 matching lines @@
 const DiagnosticsModel& DiagnosticsController::GetResults() const {
   return *model_;
 }
 
 bool DiagnosticsController::HasResults() {
   return (model_.get() && model_->GetTestRunCount() > 0);
 }
 
 void DiagnosticsController::ClearResults() { model_.reset(); }
 
-// This entry point is called from ChromeMain() when very few things
-// have been initialized, so be careful what you use.
+// This entry point is called from early in startup when very few things have
+// been initialized, so be careful what you use.
 int DiagnosticsController::Run(const CommandLine& command_line,
                                DiagnosticsWriter* writer) {
   writer_ = writer;
 
   model_.reset(MakeDiagnosticsModel(command_line));
   model_->RunAll(writer_);
 
   return 0;
 }
 
+// This entry point is called from early in startup when very few things have
+// been initialized, so be careful what you use.
+int DiagnosticsController::RunRecovery(const CommandLine& command_line,
+                                       DiagnosticsWriter* writer) {
+  if (!HasResults()) {
+    if (writer) {
+      writer->WriteInfoLine("No diagnostics have been run.");
+      writer->OnAllRecoveryDone(model_.get());
+    }
+    return -1;
+  }
+
+  writer_ = writer;
+
+  model_->RecoverAll(writer_);
+  return 0;
+}
+
 }  // namespace diagnostics