[Extensions Mac] Implement developer mode warning on mac

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

Index: chrome/browser/ui/cocoa/extensions/extension_message_bubble_bridge.mm
diff --git a/chrome/browser/ui/cocoa/extensions/extension_message_bubble_bridge.mm b/chrome/browser/ui/cocoa/extensions/extension_message_bubble_bridge.mm
new file mode 100644
index 0000000000000000000000000000000000000000..16eb8932477f39c2e3852134bcfbc7800243e679
--- /dev/null
+++ b/chrome/browser/ui/cocoa/extensions/extension_message_bubble_bridge.mm
@@ -0,0 +1,65 @@
+// Copyright 2015 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/cocoa/extensions/extension_message_bubble_bridge.h"
+
+#include "chrome/browser/extensions/extension_message_bubble_controller.h"
+#include "chrome/browser/ui/cocoa/extensions/toolbar_actions_bar_bubble_mac.h"
+
+ExtensionMessageBubbleBridge::ExtensionMessageBubbleBridge(
+    scoped_ptr<extensions::ExtensionMessageBubbleController> controller)
+    : controller_(controller.Pass()),
+      bubble_(nil) {
+}
+
+ExtensionMessageBubbleBridge::~ExtensionMessageBubbleBridge() {
+}
+
+void ExtensionMessageBubbleBridge::SetBubble(
+    ToolbarActionsBarBubbleMac* bubble) {
+  DCHECK(!bubble_);
+  bubble_ = bubble;
+}
+
+void ExtensionMessageBubbleBridge::Show() {
+  DCHECK(bubble_);
+  [bubble_ showWindow:nil];
+}
+
+base::string16 ExtensionMessageBubbleBridge::GetHeadingText() {
+  return controller_->delegate()->GetTitle();
+}
+
+base::string16 ExtensionMessageBubbleBridge::GetBodyText() {
+  return controller_->delegate()->GetMessageBody(true);
+}
+
+base::string16 ExtensionMessageBubbleBridge::GetActionButtonText() {
+  return controller_->delegate()->GetActionButtonLabel();
+}
+
+base::string16 ExtensionMessageBubbleBridge::GetDismissButtonText() {
+  return controller_->delegate()->GetDismissButtonLabel();
+}
+
+base::string16 ExtensionMessageBubbleBridge::GetLearnMoreButtonText() {
+  return controller_->delegate()->GetLearnMoreLabel();
+}
+
+void ExtensionMessageBubbleBridge::OnBubbleShown() {
+}
+
+void ExtensionMessageBubbleBridge::OnBubbleClosed(CloseAction action) {
+  switch(action) {
+    case CLOSE_DISMISS:
+      controller_->OnBubbleDismiss();
+      break;
+    case CLOSE_EXECUTE:
+      controller_->OnBubbleAction();
+      break;
+    case CLOSE_LEARN_MORE:
+      controller_->OnLinkClicked();
+      break;
+  }
+}