Change email to be OPT-IN on Chrome and OPT-OUT on cros.

chrome/browser/ui/webui/feedback_ui.cc

 // Copyright (c) 2012 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/ui/webui/feedback_ui.h"
 
 #include <vector>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
@@ skipping 458 matching lines @@
 
   // Are screenshots disabled?
   dialog_defaults.SetBoolean(
       "disableScreenshots",
       g_browser_process->local_state()->GetBoolean(prefs::kDisableScreenshots));
 
   // User e-mail
   std::string user_email = GetUserEmail();
   dialog_defaults.SetString("userEmail", user_email);
 
+  // Set email checkbox to checked by default for cros, unchecked for Chrome.
+  dialog_defaults.SetBoolean(
+      "emailCheckboxDefault",
+#if defined(OS_CHROMEOS)
+      true);
+#else
+      false);
+#endif
+
+
 #if defined(OS_CHROMEOS)
   // Trigger the request for system information here.
   chromeos::system::SyslogsProvider* provider =
       chromeos::system::SyslogsProvider::GetInstance();
   if (provider) {
     syslogs_handle_ = provider->RequestSyslogs(
         true,  // don't compress.
         chromeos::system::SyslogsProvider::SYSLOGS_FEEDBACK,
         &syslogs_consumer_,
         base::Bind(&FeedbackData::SyslogsComplete,
@@ skipping 185 matching lines @@
   size_t sort_size = std::min(max_saved, screenshot_filepaths.size());
   std::partial_sort(screenshot_filepaths.begin(),
                     screenshot_filepaths.begin() + sort_size,
                     screenshot_filepaths.end(),
                     ScreenshotTimestampComp);
   for (size_t i = 0; i < sort_size; ++i)
     saved_screenshots->push_back(std::string(kSavedScreenshotsUrl) +
                                    screenshot_filepaths[i]);
 }
 #endif