Extensions: Remove duplicate IPC enums in chrome_extension_messages.h.

chrome/common/extensions/chrome_extension_messages.h

Index: chrome/common/extensions/chrome_extension_messages.h
diff --git a/chrome/common/extensions/chrome_extension_messages.h b/chrome/common/extensions/chrome_extension_messages.h
index 14712e9561abb696ae33bb27edb715ac23bdad96..097d32e6cf90d8f6bfce4cb543dfc96c8443d86d 100644
--- a/chrome/common/extensions/chrome_extension_messages.h
+++ b/chrome/common/extensions/chrome_extension_messages.h
@@ -15,8 +15,6 @@
 #include "base/strings/string16.h"
 #include "base/values.h"
 #include "chrome/common/extensions/api/automation_internal.h"
-#include "chrome/common/extensions/api/webstore/webstore_api_constants.h"
-#include "chrome/common/extensions/webstore_install_result.h"
 #include "extensions/common/stack_frame.h"
 #include "ipc/ipc_message_macros.h"
 #include "ui/accessibility/ax_enums.h"
@@ -29,13 +27,6 @@
 
 #define IPC_MESSAGE_START ChromeExtensionMsgStart
 
-// TODO(crbug.com/725275): Remove these ipc enums once all ipc messages here are
-// converted to mojo.
-IPC_ENUM_TRAITS_MAX_VALUE(extensions::api::webstore::InstallStage,
-                          extensions::api::webstore::INSTALL_STAGE_INSTALLING)
-IPC_ENUM_TRAITS_MAX_VALUE(extensions::webstore_install::Result,
-                          extensions::webstore_install::RESULT_LAST)
-
 // Messages sent from the browser to the renderer.
 
 IPC_STRUCT_TRAITS_BEGIN(ui::AXNodeData)