Get generate_dump compiling on Windows

tools/tool_support.cc

Index: tools/tool_support.cc
diff --git a/tools/tool_support.cc b/tools/tool_support.cc
index f4960246bb8638c33a292e6cdafff89ee80a34cc..170d4ebc3c5d3591fe62276b4f8ce0b8d0412790 100644
--- a/tools/tool_support.cc
+++ b/tools/tool_support.cc
@@ -16,7 +16,11 @@
 
 #include <stdio.h>
 
+#include <vector>
+
 #include "package.h"
+#include "base/memory/scoped_ptr.h"
+#include "base/strings/utf_string_conversions.h"
 
 namespace crashpad {
 
@@ -67,4 +71,33 @@ void ToolSupport::UsageHint(const std::string& me, const char* hint) {
 }
 #endif  // OS_POSIX
 
+#if defined(OS_WIN)
+// static
+int ToolSupport::Wmain(int argc, wchar_t* argv[], int (*entry)(int, char*[])) {
+  scoped_ptr<char*[]> argv_as_utf8(new char*[argc + 1]);
+  std::vector<std::string> storage;
+  storage.reserve(argc);
+  for (int i = 0; i < argc; ++i) {
+    storage.push_back(base::UTF16ToUTF8(argv[i]));
+    argv_as_utf8[i] = &storage[i][0];
+  }
+  argv_as_utf8[argc] = nullptr;
+  return entry(argc, argv_as_utf8.get());
+}
+#endif  // OS_WIN
+
+#if defined(OS_POSIX)
+// static
+base::FilePath::StringType ToolSupport::UTF8ToFilePathStringType(
+    const char* path) {
+  return path;

[Mark Mentovai, 2015/05/05 22:41:36]

The #ifs can go inside the function body for this one, since the signature’s the
same.

[scottmg, 2015/05/05 23:23:52]

Done.

+}
+#elif defined(OS_WIN)
+// static
+base::FilePath::StringType ToolSupport::UTF8ToFilePathStringType(
+    const char* path) {
+  return base::UTF8ToUTF16(path);
+}
+#endif  // OS_POSIX
+
 }  // namespace crashpad