Remove the dependency on WTL from renderer_style_handler.cc

This commit updates

  renderer_style_handler.cc

with WIL so as not to depend on WTL (#861).

This is a mechanical code change. There must be no observable behavior
change.

#codehealth

PiperOrigin-RevId: 599404848

src/renderer/BUILD.bazel

@@ -40,7 +40,7 @@ load(
     "BRANDING",
     "MACOS_BUNDLE_ID_PREFIX",
 )
-load("//bazel/win32:build_defs.bzl", "copts_wtl", "features_gdi")
+load("//bazel/win32:build_defs.bzl", "features_gdi")
 
 package(default_visibility = ["//:__subpackages__"])
 
@@ -214,13 +214,16 @@ mozc_cc_library(
     name = "renderer_style_handler",
     srcs = ["renderer_style_handler.cc"],
     hdrs = ["renderer_style_handler.h"],
-    copts = copts_wtl(),  # for Windows
     features = features_gdi(),  # for Windows
     deps = [
         "//base:singleton",
         "//protocol:renderer_cc_proto",
     ] + mozc_select(
-        windows = ["//third_party/wtl"],
+        windows = [
+            "//bazel/win32:gdi32",
+            "//bazel/win32:user32",
+            "@com_microsoft_wil//:wil",
+        ],
     ),
 )
 

src/renderer/renderer_style_handler.cc

@@ -29,14 +29,10 @@
 
 #include "renderer/renderer_style_handler.h"
 
-// clang-format off
 #if defined(_WIN32)
 #include <windows.h>
-#include <atlbase.h>
-#include <atlapp.h>
-#include <atlgdi.h>
+#include <wil/resource.h>
 #endif  // _WIN32
-// clang-format on
 
 #include "base/singleton.h"
 #include "protocol/renderer_style.pb.h"
@@ -205,9 +201,9 @@ void RendererStyleHandler::GetDefaultRendererStyle(RendererStyle *style) {
 
 void RendererStyleHandler::GetDPIScalingFactor(double *x, double *y) {
 #ifdef _WIN32
-  WTL::CDC desktop_dc(::GetDC(nullptr));
-  const int dpi_x = desktop_dc.GetDeviceCaps(LOGPIXELSX);
-  const int dpi_y = desktop_dc.GetDeviceCaps(LOGPIXELSY);
+  wil::unique_hdc_window desktop_dc(::GetDC(nullptr));
+  const int dpi_x = ::GetDeviceCaps(desktop_dc.get(), LOGPIXELSX);
+  const int dpi_y = ::GetDeviceCaps(desktop_dc.get(), LOGPIXELSY);
   if (x != nullptr) {
     *x = static_cast<double>(dpi_x) / kDefaultDPI;
   }