cefclient: osr: Fix compile errors with binary distribution (see #2575)

cmake/cef_variables.cmake.in

@@ -304,8 +304,9 @@ if(OS_MAC)
   # Standard libraries.
   set(CEF_STANDARD_LIBS
     -lpthread
-    "-framework Cocoa"
     "-framework AppKit"
+    "-framework Cocoa"
+    "-framework IOSurface"
     )
 
   # Find the newest available base SDK.

tests/cefclient/browser/osr_renderer.cc

@@ -4,7 +4,7 @@
 
 #include "tests/cefclient/browser/osr_renderer.h"
 
-#if !defined(OS_WIN)
+#if defined(__clang__)
 // Begin disable NSOpenGL deprecation warnings.
 #pragma clang diagnostic push
 #pragma clang diagnostic ignored "-Wdeprecated-declarations"
@@ -1092,7 +1092,7 @@ void OsrRenderer::IncrementSpin(float spinDX, float spinDY) {
 
 }  // namespace client
 
-#if !defined(OS_WIN)
+#if defined(__clang__)
 // End disable NSOpenGL deprecation warnings.
 #pragma clang diagnostic pop
 #endif