[Chromoting] Initial plumbing for cursor shape.

remoting/host/capturer_fake.cc

Index: remoting/host/capturer_fake.cc
diff --git a/remoting/host/capturer_fake.cc b/remoting/host/capturer_fake.cc
index 3aafb1b0a6c67ec5b207a37f2ef9400013bdde0a..19db2e507f4007826ed6d868b5d0a4130de0c9f3 100644
--- a/remoting/host/capturer_fake.cc
+++ b/remoting/host/capturer_fake.cc
@@ -42,6 +42,10 @@ void CapturerFake::Start() {
 void CapturerFake::Stop() {
 }
 
+void CapturerFake::SetCursorShapeChangedCallback(
+    const CursorShapeChangedCallback& callback) {
+}
+
 void CapturerFake::ScreenConfigurationChanged() {
   size_ = SkISize::Make(kWidth, kHeight);
   bytes_per_row_ = size_.width() * kBytesPerPixel;