win: Transform \ to / in blink plugin.

tools/clang/blink_gc_plugin/BlinkGCPlugin.cpp

 // Copyright 2014 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.
 
 // This clang plugin checks various invariants of the Blink garbage
 // collection infrastructure.
 //
 // Errors are described at:
 // http://www.chromium.org/developers/blink-gc-plugin-errors
 
+#include <algorithm>
+
 #include "Config.h"
 #include "JsonWriter.h"
 #include "RecordInfo.h"
 
 #include "clang/AST/AST.h"
 #include "clang/AST/ASTConsumer.h"
 #include "clang/AST/RecursiveASTVisitor.h"
 #include "clang/Frontend/CompilerInstance.h"
 #include "clang/Frontend/FrontendPluginRegistry.h"
 #include "clang/Sema/Sema.h"
@@ skipping 1627 matching lines @@
     if (info->name().compare(0, SameSizeAs.size(), SameSizeAs) == 0)
       return true;
     return options_.ignored_classes.find(info->name()) !=
            options_.ignored_classes.end();
   }
 
   bool InIgnoredDirectory(RecordInfo* info) {
     string filename;
     if (!GetFilename(info->record()->getLocStart(), &filename))
       return false;  // TODO: should we ignore non-existing file locations?
+#if defined(LLVM_ON_WIN32)
+    std::replace(filename.begin(), filename.end(), '\\', '/');
+#endif
     std::vector<string>::iterator it = options_.ignored_directories.begin();
     for (; it != options_.ignored_directories.end(); ++it)
       if (filename.find(*it) != string::npos)
         return true;
     return false;
   }
 
   bool InCheckedNamespace(RecordInfo* info) {
     if (!info)
       return false;
@@ skipping 431 matching lines @@
 
  private:
   BlinkGCPluginOptions options_;
 };
 
 }  // namespace
 
 static FrontendPluginRegistry::Add<BlinkGCPluginAction> X(
     "blink-gc-plugin",
     "Check Blink GC invariants");