[Extensions] Add support for reporting abuse on extension uninstallation

chrome/browser/ui/cocoa/extensions/extension_uninstall_dialog_cocoa.mm

 // Copyright (c) 2011 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/extension_uninstall_dialog.h"
 
 #import <Cocoa/Cocoa.h>
 
 #include <string>
 
-#include "base/strings/sys_string_conversions.h"
+#import "base/mac/scoped_nsobject.h"
+#import "base/strings/sys_string_conversions.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/grit/generated_resources.h"
 #include "extensions/common/extension.h"
 #include "skia/ext/skia_utils_mac.h"
 #include "ui/base/l10n/l10n_util_mac.h"
 #include "ui/gfx/image/image_skia_util_mac.h"
 
 namespace {
 
 // The Cocoa implementation of ExtensionUninstallDialog. This has a less
@@ skipping 28 matching lines @@
   // Default to accept when triggered via chrome://extensions page.
   if (triggering_extension_) {
     [continueButton setKeyEquivalent:@""];
     [cancelButton setKeyEquivalent:@"\r"];
   }
 
   [alert setMessageText:base::SysUTF8ToNSString(GetHeadingText())];
   [alert setAlertStyle:NSWarningAlertStyle];
   [alert setIcon:gfx::NSImageFromImageSkia(icon_)];
 
-  if ([alert runModal] == NSAlertFirstButtonReturn)
+  base::scoped_nsobject<NSButton> reportAbuseCheckbox;
+  if (ShouldShowReportAbuseCheckbox()) {
+    reportAbuseCheckbox.reset([[NSButton alloc] initWithFrame:NSZeroRect]);
+    [reportAbuseCheckbox setButtonType:NSSwitchButton];
+    [reportAbuseCheckbox setTitle:l10n_util::GetNSString(
+        IDS_EXTENSION_PROMPT_UNINSTALL_REPORT_ABUSE)];
+    [reportAbuseCheckbox sizeToFit];
+    [alert setAccessoryView:reportAbuseCheckbox];
+  }
+
+  if ([alert runModal] == NSAlertFirstButtonReturn) {
+    if (reportAbuseCheckbox.get() && [reportAbuseCheckbox state] == NSOnState)
+      HandleReportAbuse();
     delegate_->ExtensionUninstallAccepted();
-  else
+  } else {
     delegate_->ExtensionUninstallCanceled();
+  }
 }
 
 }  // namespace
 
 // static
 extensions::ExtensionUninstallDialog*
 extensions::ExtensionUninstallDialog::Create(Profile* profile,
                                              gfx::NativeWindow parent,
                                              Delegate* delegate) {
   return new ExtensionUninstallDialogCocoa(profile, delegate);
 }