win: Add implementation of ExecutablePath

R=mark@chromium.org
BUG=crashpad:1

Review URL: https://codereview.chromium.org/852773004

util/test/executable_path_test.cc

@@ -15,6 +15,7 @@
 #include "util/test/executable_path.h"
 
 #include "base/files/file_path.h"
+#include "build/build_config.h"
 #include "gtest/gtest.h"
 
 namespace crashpad {
@@ -24,7 +25,11 @@ namespace {
 TEST(ExecutablePath, ExecutablePath) {
   base::FilePath executable_path = ExecutablePath();
   base::FilePath executable_name = executable_path.BaseName();
-  EXPECT_EQ(FILE_PATH_LITERAL("util_test"), executable_name.value());
+#if defined(OS_WIN)
+  EXPECT_EQ(FILE_PATH_LITERAL("util_test.exe"), executable_name.value());
+#else
+  EXPECT_EQ("util_test", executable_name.value());
+#endif  // OS_WIN
 }
 
 }  // namespace

util/test/executable_path_win.cc

@@ -0,0 +1,29 @@
+// Copyright 2015 The Crashpad Authors. All rights reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#include "util/test/executable_path.h"
+
+#include <windows.h>
+
+namespace crashpad {
+namespace test {
+
+base::FilePath ExecutablePath() {
+  wchar_t executable_path[_MAX_PATH];
+  GetModuleFileName(nullptr, executable_path, sizeof(executable_path));
+  return base::FilePath(executable_path);
+}
+
+}  // namespace test
+}  // namespace crashpad

util/util.gyp

@@ -205,6 +205,7 @@
         'test/errors.h',
         'test/executable_path.h',
         'test/executable_path_mac.cc',
+        'test/executable_path_win.cc',
         'test/mac/dyld.h',
         'test/mac/mach_errors.cc',
         'test/mac/mach_errors.h',