win: generate_dump: PLOG() when OpenProcess() fails

tools/generate_dump.cc

 // Copyright 2014 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,
@@ skipping 136 matching lines @@
     if (options.suspend) {
       LOG(ERROR) << "cannot suspend myself";
       return EXIT_FAILURE;
     }
     LOG(WARNING) << "operating on myself";
   }
 #elif defined(OS_WIN)
   ScopedKernelHANDLE process(
       OpenProcess(kXPProcessAllAccess, false, options.pid));
   if (!process.is_valid()) {
-    LOG(ERROR) << "could not open process " << options.pid;
+    PLOG(ERROR) << "could not open process " << options.pid;
     return EXIT_FAILURE;
   }
 #endif  // OS_MACOSX
 
   if (options.dump_path.empty()) {
     options.dump_path = base::StringPrintf("minidump.%d", options.pid);
   }
 
   {
 #if defined(OS_MACOSX)
@@ skipping 53 matching lines @@
 
 #if defined(OS_POSIX)
 int main(int argc, char* argv[]) {
   return crashpad::GenerateDumpMain(argc, argv);
 }
 #elif defined(OS_WIN)
 int wmain(int argc, wchar_t* argv[]) {
   return crashpad::ToolSupport::Wmain(argc, argv, crashpad::GenerateDumpMain);
 }
 #endif  // OS_POSIX