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chrome/chrome_proxy/chrome_proxy_main_win.cc

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+// Copyright 2022 The Chromium Authors and Alex313031. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include <windows.h>
+
+#include "base/command_line.h"
+#include "base/files/file_path.h"
+#include "base/logging.h"
+#include "base/path_service.h"
+#include "base/process/launch.h"
+
+namespace {
+
+constexpr base::FilePath::CharType kChromeExecutable[] =
+    FILE_PATH_LITERAL("thorium.exe");
+
+constexpr base::FilePath::CharType kChromeProxyExecutable[] =
+    FILE_PATH_LITERAL("thorium_proxy.exe");
+
+}  // namespace
+
+// This binary is a workaround for Windows 10 start menu pinning icon bug:
+// https://crbug.com/732357.
+//
+// When a shortcut is pinned in the Windows 10 start menu Windows will follow
+// the shortcut, find the target executable, look for a <target>.manifest file
+// in the same directory and use the icon specified in there for the start menu
+// pin. Because bookmark app shortcuts are shortcuts to Chrome (plus a few
+// command line parameters) Windows ends up using the Chrome icon specified in
+// chrome.VisualElementsManifest.xml instead of the site's icon stored inside
+// the shortcut.
+//
+// The chrome_proxy.exe binary workaround "fixes" this by having bookmark app
+// shortcuts target chrome_proxy.exe instead of chrome.exe such that Windows
+// won't find a manifest and falls back to using the shortcut's icons as
+// originally intended.
+int WINAPI wWinMain(HINSTANCE instance,
+                    HINSTANCE prev_instance,
+                    wchar_t* /*command_line*/,
+                    int show_command) {
+  base::CommandLine::Init(0, nullptr);
+
+  logging::LoggingSettings logging_settings;
+  logging_settings.logging_dest =
+      logging::LOG_TO_SYSTEM_DEBUG_LOG | logging::LOG_TO_STDERR;
+  logging::InitLogging(logging_settings);
+
+  base::FilePath chrome_dir;
+  CHECK(base::PathService::Get(base::DIR_EXE, &chrome_dir));
+  base::CommandLine chrome_command_line(chrome_dir.Append(kChromeExecutable));
+
+  // Forward all command line arguments.
+  const std::vector<std::wstring>& argv =
+      base::CommandLine::ForCurrentProcess()->argv();
+  // The first one is always the current executable path.
+  CHECK(argv.size() > 0);
+  CHECK_EQ(base::FilePath(argv[0]).BaseName().value(), kChromeProxyExecutable);
+  for (size_t i = 1; i < argv.size(); ++i)
+    chrome_command_line.AppendArgNative(argv[i]);
+
+  base::LaunchOptions launch_options;
+  launch_options.current_directory = chrome_dir;
+  launch_options.grant_foreground_privilege = true;
+  CHECK(base::LaunchProcess(chrome_command_line, launch_options).IsValid());
+
+  return 0;
+}