Shape Detection: QR detection in Chrome Android using Play Services

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 175 matching lines @@
 #include "net/cookies/cookie_options.h"
 #include "net/ssl/ssl_cert_request_info.h"
 #include "ppapi/features/features.h"
 #include "ppapi/host/ppapi_host.h"
 #include "printing/features/features.h"
 #include "services/image_decoder/public/interfaces/constants.mojom.h"
 #include "services/service_manager/public/cpp/interface_provider.h"
 #include "services/service_manager/public/cpp/interface_registry.h"
 #include "services/service_manager/public/cpp/service.h"
 #include "storage/browser/fileapi/external_mount_points.h"
+#include "third_party/WebKit/public/platform/modules/shapedetection/barcodedetection.mojom.h"
 #include "third_party/WebKit/public/platform/modules/webshare/webshare.mojom.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/base/resource/resource_bundle.h"
 #include "ui/resources/grit/ui_resources.h"
 #include "url/gurl.h"
 #include "url/origin.h"
 
 #if defined(OS_WIN)
 #include "base/strings/string_tokenizer.h"
 #include "chrome/browser/chrome_browser_main_win.h"
@@ skipping 1227 matching lines @@
       switches::kEnableOfflineAutoReloadVisibleOnly)) {
     return true;
   }
   if (browser_command_line.HasSwitch(
       switches::kDisableOfflineAutoReloadVisibleOnly)) {
     return false;
   }
   return true;
 }
 
-#if defined(OS_LINUX) || defined(OS_CHROMEOS) || defined(OS_WIN)
+#if defined(OS_LINUX) || defined(OS_CHROMEOS) || defined(OS_WIN) || \
+    defined(OS_ANDROID)
 bool AreExperimentalWebPlatformFeaturesEnabled() {
   const base::CommandLine& browser_command_line =
       *base::CommandLine::ForCurrentProcess();
   return browser_command_line.HasSwitch(
       switches::kEnableExperimentalWebPlatformFeatures);
 }
 #endif
 
 void MaybeAppendBlinkSettingsSwitchForFieldTrial(
     const base::CommandLine& browser_command_line,
@@ skipping 1566 matching lines @@
 #elif defined(OS_LINUX) || defined(OS_CHROMEOS) || defined(OS_WIN)
   if (AreExperimentalWebPlatformFeaturesEnabled()) {
     content::WebContents* web_contents =
         content::WebContents::FromRenderFrameHost(render_frame_host);
     if (web_contents) {
       registry->AddInterface(
           base::Bind(CreatePaymentRequestHandler, web_contents));
     }
   }
 #endif
+
+#if defined(OS_ANDROID)
+  if (AreExperimentalWebPlatformFeaturesEnabled()) {
+    content::WebContents* web_contents =
+        content::WebContents::FromRenderFrameHost(render_frame_host);
+    if (web_contents) {
+      registry->AddInterface(
+          web_contents->GetJavaInterfaces()
+              ->CreateInterfaceFactory<blink::mojom::BarcodeDetection>());
+    }
+  }
+#endif
+
 }
 
 void ChromeContentBrowserClient::ExposeInterfacesToGpuProcess(
     service_manager::InterfaceRegistry* registry,
     content::GpuProcessHost* render_process_host) {
   registry->AddInterface(
       base::Bind(&metrics::CallStackProfileCollector::Create,
                  metrics::CallStackProfileParams::GPU_PROCESS));
 }
 
@@ skipping 259 matching lines @@
       render_frame_host, std::move(source), std::move(request));
 #else
   // Chrome's media remoting implementation depends on the Media Router
   // infrastructure to identify remote sinks and provide the user interface for
   // sink selection. In the case where the Media Router is not present, simply
   // drop the interface request. This will prevent code paths for media remoting
   // in the renderer process from activating.
 #endif
 }
 #endif  // BUILDFLAG(ENABLE_MEDIA_REMOTING)