ShapeDetectionImpl: Android implementation of detectFace()

content/browser/frame_host/render_frame_host_impl.cc

Index: content/browser/frame_host/render_frame_host_impl.cc
diff --git a/content/browser/frame_host/render_frame_host_impl.cc b/content/browser/frame_host/render_frame_host_impl.cc
index e5826c6489a6ce4ed56d28f210f938afb15d8e0b..f22c32831fa8cd6ae61e390a3683d8dace09fcdd 100644
--- a/content/browser/frame_host/render_frame_host_impl.cc
+++ b/content/browser/frame_host/render_frame_host_impl.cc
@@ -96,6 +96,7 @@
 #include "media/mojo/interfaces/media_service.mojom.h"
 #include "media/mojo/interfaces/service_factory.mojom.h"
 #include "mojo/public/cpp/bindings/associated_interface_ptr.h"
+#include "public/platform/modules/shapedetection/shapedetection.mojom.h"
 #include "services/shell/public/cpp/connector.h"
 #include "services/shell/public/cpp/interface_provider.h"
 #include "ui/accessibility/ax_tree.h"
@@ -2186,6 +2187,10 @@ void RenderFrameHostImpl::RegisterMojoInterfaces() {
 #if defined(OS_ANDROID)
   GetInterfaceRegistry()->AddInterface(
       GetGlobalJavaInterfaces()
+          ->CreateInterfaceFactory<blink::mojom::ShapeDetection>());

[ncarter (slow), 2016/10/12 20:08:35]

Is it possible to only do AddInterface if the flag to enable the feature is set?

[xianglu, 2016/10/13 00:02:32]

There is a flag in Blink
https://cs.chromium.org/chromium/src/third_party/WebKit/Source/platform/Runti...

The flag is not visible here. But the shapedetection service won't be created
until the client connects to it.

+
+  GetInterfaceRegistry()->AddInterface(
+      GetGlobalJavaInterfaces()
           ->CreateInterfaceFactory<device::VibrationManager>());
 #else
   GetInterfaceRegistry()->AddInterface(