Fix antialiasing ppapi settings, browser_tests in win32k lockdown

content/browser/ppapi_plugin_process_host.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/browser/ppapi_plugin_process_host.h"
 
 #include <stddef.h>
 
 #include <string>
 #include <utility>
@@ skipping 30 matching lines @@
 #if defined(OS_POSIX)
 #include "content/public/browser/zygote_handle_linux.h"
 #endif  // defined(OS_POSIX)
 
 #if defined(OS_WIN)
 #include "content/browser/renderer_host/dwrite_font_proxy_message_filter_win.h"
 #include "content/common/sandbox_win.h"
 #include "sandbox/win/src/process_mitigations.h"
 #include "sandbox/win/src/sandbox_policy.h"
 #include "ui/display/win/dpi.h"
+#include "ui/gfx/font_render_params.h"
 #endif
 
 namespace content {
 
 #if defined(OS_POSIX) && !defined(OS_ANDROID) && !defined(OS_MACOSX)
 ZygoteHandle g_ppapi_zygote;
 #endif  // defined(OS_POSIX) && !defined(OS_ANDROID) && !defined(OS_MACOSX)
 
 // NOTE: changes to this class need to be reviewed by the security team.
 class PpapiPluginSandboxedProcessLauncherDelegate
@@ skipping 371 matching lines @@
   std::string locale = GetContentClient()->browser()->GetApplicationLocale();
   if (!locale.empty()) {
     // Pass on the locale so the plugin will know what language we're using.
     cmd_line->AppendSwitchASCII(switches::kLang, locale);
   }
 
 #if defined(OS_WIN)
   cmd_line->AppendSwitchASCII(
       switches::kDeviceScaleFactor,
       base::DoubleToString(display::win::GetDPIScale()));
+  const gfx::FontRenderParams font_params =
+      gfx::GetFontRenderParams(gfx::FontRenderParamsQuery(), nullptr);
+  cmd_line->AppendSwitchASCII(switches::kPpapiAntialiasedTextEnabled,
+                              base::IntToString(font_params.antialiasing));
+  cmd_line->AppendSwitchASCII(
+      switches::kPpapiSubpixelRenderingSetting,
+      base::IntToString(font_params.subpixel_rendering));
 #endif
 
   if (!plugin_launcher.empty())
     cmd_line->PrependWrapper(plugin_launcher);
 
   // On posix, never use the zygote for the broker. Also, only use the zygote if
   // we are not using a plugin launcher - having a plugin launcher means we need
   // to use another process instead of just forking the zygote.
   process_->Launch(
       new PpapiPluginSandboxedProcessLauncherDelegate(is_broker_,
@@ skipping 100 matching lines @@
   // sent_requests_ queue should be the one that the plugin just created.
   Client* client = sent_requests_.front();
   sent_requests_.pop();
 
   const ChildProcessData& data = process_->GetData();
   client->OnPpapiChannelOpened(channel_handle, base::GetProcId(data.handle),
                                data.id);
 }
 
 }  // namespace content