Add chrome side webusb permission UI code

chrome/browser/chrome_content_browser_client.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/chrome_content_browser_client.h"
 
 #include <map>
 #include <set>
 #include <utility>
 #include <vector>
@@ skipping 254 matching lines @@
 #endif
 
 #if defined(ENABLE_WEBRTC)
 #include "chrome/browser/media/webrtc_logging_handler_host.h"
 #endif
 
 #if defined(ENABLE_MEDIA_ROUTER)
 #include "chrome/browser/media/router/presentation_service_delegate_impl.h"
 #endif
 
+#if !defined(OS_ANDROID) && !defined(OS_IOS)
+#include "components/webusb/public/interfaces/webusb_permission_bubble.mojom.h"
+#endif
+
 using base::FileDescriptor;
 using blink::WebWindowFeatures;
 using content::AccessTokenStore;
 using content::BrowserThread;
 using content::BrowserURLHandler;
 using content::ChildProcessSecurityPolicy;
 using content::QuotaPermissionContext;
 using content::RenderFrameHost;
 using content::RenderViewHost;
 using content::ResourceType;
@@ skipping 355 matching lines @@
     NOTREACHED();
     return;
   }
 
   UsbTabHelper* tab_helper =
       UsbTabHelper::GetOrCreateForWebContents(web_contents);
   tab_helper->CreateDeviceManager(render_frame_host, request.Pass());
 #endif  // !defined(OS_ANDROID) && !defined(OS_IOS)
 }
 
+#if !defined(OS_ANDROID) && !defined(OS_IOS)
+void CreateWebUsbPermissionBubble(
+    RenderFrameHost* render_frame_host,
+    mojo::InterfaceRequest<webusb::WebUsbPermissionBubble> request) {
+  WebContents* web_contents =
+      WebContents::FromRenderFrameHost(render_frame_host);
+  if (!web_contents) {
+    NOTREACHED();
+    return;
+  }
+
+  UsbTabHelper* tab_helper =
+      UsbTabHelper::GetOrCreateForWebContents(web_contents);
+  tab_helper->CreatePermissionBubble(render_frame_host, request.Pass());
+}
+#endif
+
 }  // namespace
 
 ChromeContentBrowserClient::ChromeContentBrowserClient()
     :
       weak_factory_(this) {
 #if defined(ENABLE_PLUGINS)
   for (size_t i = 0; i < arraysize(kPredefinedAllowedDevChannelOrigins); ++i)
     allowed_dev_channel_origins_.insert(kPredefinedAllowedDevChannelOrigins[i]);
   for (size_t i = 0; i < arraysize(kPredefinedAllowedFileHandleOrigins); ++i)
     allowed_file_handle_origins_.insert(kPredefinedAllowedFileHandleOrigins[i]);
@@ skipping 1919 matching lines @@
   registry->AddService(
       base::Bind(&chromeos::attestation::PlatformVerificationImpl::Create,
                  render_frame_host));
 #endif
 }
 
 void ChromeContentBrowserClient::RegisterRenderFrameMojoServices(
     content::ServiceRegistry* registry,
     content::RenderFrameHost* render_frame_host) {
   registry->AddService(base::Bind(&CreateUsbDeviceManager, render_frame_host));
+#if !defined(OS_ANDROID) && !defined(OS_IOS)

[Reilly Grant (use Gerrit), 2015/10/29 01:11:32]

It is possible, like for DeviceManager, to avoid these #ifdefs except in the
Create() function.

[juncai, 2015/10/31 04:15:36]

Tried moving webusb.gypi to be included in all platforms in components.gyp, then
ios trybot got "gyp: Cycles in .gyp file dependency graph detected" error.

+  registry->AddService(
+      base::Bind(&CreateWebUsbPermissionBubble, render_frame_host));
+#endif
 }
 
 void ChromeContentBrowserClient::OpenURL(
     content::BrowserContext* browser_context,
     const content::OpenURLParams& params,
     const base::Callback<void(content::WebContents*)>& callback) {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
 
 #if !defined(OS_ANDROID) && !defined(OS_IOS)
   chrome::NavigateParams nav_params(
@@ skipping 148 matching lines @@
   if (channel <= kMaxDisableEncryptionChannel) {
     static const char* const kWebRtcDevSwitchNames[] = {
       switches::kDisableWebRtcEncryption,
     };
     to_command_line->CopySwitchesFrom(from_command_line,
                                       kWebRtcDevSwitchNames,
                                       arraysize(kWebRtcDevSwitchNames));
   }
 }
 #endif  // defined(ENABLE_WEBRTC)