Use webrtc::DesktopCapturer for screen capturer implementation.

remoting/host/resizing_host_observer_unittest.cc

Index: remoting/host/resizing_host_observer_unittest.cc
diff --git a/remoting/host/resizing_host_observer_unittest.cc b/remoting/host/resizing_host_observer_unittest.cc
index cc4019aa89649e0634149f8410be5e20579ef49a..2d61e5e4e8dd312d0f1508e028d303c2bf2cc31e 100644
--- a/remoting/host/resizing_host_observer_unittest.cc
+++ b/remoting/host/resizing_host_observer_unittest.cc
@@ -11,6 +11,7 @@
 #include "remoting/host/screen_resolution.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "third_party/skia/include/core/SkSize.h"
+#include "third_party/webrtc/modules/desktop_capture/desktop_geometry.h"
 
 std::ostream& operator<<(std::ostream& os, const SkISize& size) {
   return os << size.width() << "x" << size.height();
@@ -83,7 +84,8 @@ class ResizingHostObserverTest : public testing::Test {
 
   SkISize GetBestSize(const SkISize& client_size) {
     resizing_host_observer_->SetScreenResolution(ScreenResolution(
-        client_size, SkIPoint::Make(kDefaultDPI, kDefaultDPI)));
+        webrtc::DesktopSize(client_size.width(), client_size.height()),
+        webrtc::DesktopVector(kDefaultDPI, kDefaultDPI)));
     return desktop_resizer_->GetCurrentSize();
   }