Supports High DPI mode....

app/win_util.cc

Index: app/win_util.cc
===================================================================
--- app/win_util.cc	(revision 52071)
+++ app/win_util.cc	(working copy)
@@ -23,6 +23,7 @@
 #include "base/scoped_comptr_win.h"
 #include "base/scoped_handle.h"
 #include "base/scoped_handle_win.h"
+#include "base/scoped_native_library.h"
 #include "base/string_util.h"
 #include "base/win_util.h"
 #include "gfx/codec/png_codec.h"
@@ -582,4 +583,18 @@
   base::UnloadNativeLibrary(shell32_library);
 }
 
+void CallSetProcessDPIAware() {
+  // This functionality is only available on Vista or later.
+  if (win_util::GetWinVersion() < win_util::WINVERSION_VISTA)
+    return;
+
+  base::ScopedNativeLibrary user32(
+      FilePath(base::GetNativeLibraryName(L"user32")));
+  typedef BOOL (*SetProcessDPIAwareFunc)();
+  SetProcessDPIAwareFunc set_process_dpi_aware =
+      (SetProcessDPIAwareFunc)user32.GetFunctionPointer("SetProcessDPIAware");
+  if (set_process_dpi_aware)
+    set_process_dpi_aware();
+}
+
 }  // namespace win_util