Enable hidpi on Linux, refactor a bit on Windows to share

chrome/browser/ui/views/tabs/window_finder_win.cc

Index: chrome/browser/ui/views/tabs/window_finder_win.cc
diff --git a/chrome/browser/ui/views/tabs/window_finder_win.cc b/chrome/browser/ui/views/tabs/window_finder_win.cc
index 6d365bdc7e5dee5f936d44f923a5da138109fa68..94015a793c781e7933b1f5f97cead61a0ed561de 100644
--- a/chrome/browser/ui/views/tabs/window_finder_win.cc
+++ b/chrome/browser/ui/views/tabs/window_finder_win.cc
@@ -7,8 +7,8 @@
 #include "base/win/scoped_gdi_object.h"
 #include "base/win/windows_version.h"
 #include "ui/aura/window.h"
+#include "ui/gfx/dpi.h"
 #include "ui/gfx/screen.h"
-#include "ui/gfx/win/dpi.h"
 #include "ui/views/widget/desktop_aura/desktop_window_tree_host_win.h"
 #include "ui/views/win/hwnd_util.h"
 
@@ -129,7 +129,7 @@ class TopMostFinder : public BaseWindowFinder {
         target_(window),
         is_top_most_(false),
         tmp_region_(CreateRectRgn(0, 0, 0, 0)) {
-    screen_loc_ = gfx::win::DIPToScreenPoint(screen_loc);
+    screen_loc_ = gfx::DIPToScreenPoint(screen_loc);
     EnumWindows(WindowCallbackProc, as_lparam());
   }
 
@@ -191,7 +191,7 @@ class LocalProcessWindowFinder : public BaseWindowFinder {
                            const std::set<HWND>& ignore)
       : BaseWindowFinder(ignore),
         result_(NULL) {
-    screen_loc_ = gfx::win::DIPToScreenPoint(screen_loc);
+    screen_loc_ = gfx::DIPToScreenPoint(screen_loc);
     EnumThreadWindows(GetCurrentThreadId(), WindowCallbackProc, as_lparam());
   }