Reworked the plumbing required to pass the client resolution to the desktop resizer.

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 f318bc5d8ea5724e3cad69ae6749b448fff78463..cc4019aa89649e0634149f8410be5e20579ef49a 100644
--- a/remoting/host/resizing_host_observer_unittest.cc
+++ b/remoting/host/resizing_host_observer_unittest.cc
@@ -8,6 +8,7 @@
 #include "base/logging.h"
 #include "remoting/host/desktop_resizer.h"
 #include "remoting/host/resizing_host_observer.h"
+#include "remoting/host/screen_resolution.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "third_party/skia/include/core/SkSize.h"
 
@@ -15,6 +16,8 @@ std::ostream& operator<<(std::ostream& os, const SkISize& size) {
   return os << size.width() << "x" << size.height();
 }
 
+const int kDefaultDPI = 96;
+
 namespace remoting {
 
 class FakeDesktopResizer : public DesktopResizer {
@@ -79,7 +82,8 @@ class ResizingHostObserverTest : public testing::Test {
   }
 
   SkISize GetBestSize(const SkISize& client_size) {
-    resizing_host_observer_->OnClientResolutionChanged(SkIPoint(), client_size);
+    resizing_host_observer_->SetScreenResolution(ScreenResolution(
+        client_size, SkIPoint::Make(kDefaultDPI, kDefaultDPI)));
     return desktop_resizer_->GetCurrentSize();
   }