Fix build failure of chrome_public_apk on Android GN build

chrome/browser/usb/usb_tab_helper.h

 // 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.
 
 #ifndef CHROME_BROWSER_USB_USB_TAB_HELPER_H_
 #define CHROME_BROWSER_USB_USB_TAB_HELPER_H_
 
 #include <map>
 
 #include "base/macros.h"
@@ skipping 23 matching lines @@
  public:
   static UsbTabHelper* GetOrCreateForWebContents(
       content::WebContents* web_contents);
 
   ~UsbTabHelper() override;
 
   void CreateDeviceManager(
       content::RenderFrameHost* render_frame_host,
       mojo::InterfaceRequest<device::usb::DeviceManager> request);
 
+#if !defined(OS_ANDROID)
   void CreatePermissionBubble(
       content::RenderFrameHost* render_frame_host,
       mojo::InterfaceRequest<webusb::WebUsbPermissionBubble> request);
+#endif  // !defined(OS_ANDROID)
 
  private:
   explicit UsbTabHelper(content::WebContents* web_contents);
   friend class content::WebContentsUserData<UsbTabHelper>;
 
   // content::WebContentsObserver overrides:
   void RenderFrameDeleted(content::RenderFrameHost* render_frame_host) override;
 
   FrameUsbServices* GetFrameUsbService(
       content::RenderFrameHost* render_frame_host);
 
   void GetPermissionProvider(
       content::RenderFrameHost* render_frame_host,
       mojo::InterfaceRequest<device::usb::PermissionProvider> request);
 
+#if !defined(OS_ANDROID)
   void GetPermissionBubble(
       content::RenderFrameHost* render_frame_host,
       mojo::InterfaceRequest<webusb::WebUsbPermissionBubble> request);
+#endif  // !defined(OS_ANDROID)
 
   FrameUsbServicesMap frame_usb_services_;
 
   DISALLOW_COPY_AND_ASSIGN(UsbTabHelper);
 };
 
 #endif  // CHROME_BROWSER_USB_USB_TAB_HELPER_H_