Normalize paths in GN.

tools/gn/path_output_unittest.cc

 // Copyright (c) 2013 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.
 
 #include <sstream>
 
 #include "base/files/file_path.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "tools/gn/output_file.h"
 #include "tools/gn/path_output.h"
@@ skipping 66 matching lines @@
   PathOutput writer(build_dir, source_root, ESCAPE_NINJA);
   {
     // Spaces and $ in filenames.
     std::ostringstream out;
     writer.WriteFile(out, SourceFile("//foo/foo bar$.cc"));
     EXPECT_EQ("../../foo/foo$ bar$$.cc", out.str());
   }
   {
     // Not other weird stuff
     std::ostringstream out;
-    writer.WriteFile(out, SourceFile("//foo/\"foo\\bar\".cc"));
-    EXPECT_EQ("../../foo/\"foo\\bar\".cc", out.str());
+    writer.WriteFile(out, SourceFile("//foo/\"foo\".cc"));
+    EXPECT_EQ("../../foo/\"foo\".cc", out.str());
   }
 }
 
 TEST(PathOutput, NinjaForkEscaping) {
   SourceDir build_dir("//out/Debug/");
   base::StringPiece source_root("/source/root");
   PathOutput writer(build_dir, source_root, ESCAPE_NINJA_COMMAND);
 
   // Spaces in filenames should get quoted on Windows.
   writer.set_escape_platform(ESCAPE_PLATFORM_WIN);
@@ skipping 21 matching lines @@
     // change in the future.
     EXPECT_EQ("\"../../foo/\\\"foobar\\\".cc\"", out.str());
   }
   writer.set_escape_platform(ESCAPE_PLATFORM_POSIX);
   {
     std::ostringstream out;
     writer.WriteFile(out, SourceFile("//foo/\"foobar\".cc"));
     EXPECT_EQ("../../foo/\\\"foobar\\\".cc", out.str());
   }
 
-
   // Backslashes should get escaped on non-Windows and preserved on Windows.
   writer.set_escape_platform(ESCAPE_PLATFORM_WIN);
   {
     std::ostringstream out;
-    writer.WriteFile(out, SourceFile("//foo\\bar.cc"));
-    EXPECT_EQ("../../foo\\bar.cc", out.str());
+    writer.WriteFile(out, OutputFile("foo\\bar.cc"));
+    EXPECT_EQ("foo\\bar.cc", out.str());
   }
   writer.set_escape_platform(ESCAPE_PLATFORM_POSIX);
   {
     std::ostringstream out;
-    writer.WriteFile(out, SourceFile("//foo\\bar.cc"));
-    EXPECT_EQ("../../foo\\\\bar.cc", out.str());
+    writer.WriteFile(out, OutputFile("foo\\bar.cc"));
+    EXPECT_EQ("foo\\\\bar.cc", out.str());
   }
 }
 
 TEST(PathOutput, InhibitQuoting) {
   SourceDir build_dir("//out/Debug/");
   base::StringPiece source_root("/source/root");
   PathOutput writer(build_dir, source_root, ESCAPE_NINJA_COMMAND);
   writer.set_inhibit_quoting(true);
 
   writer.set_escape_platform(ESCAPE_PLATFORM_WIN);
@@ skipping 122 matching lines @@
       EXPECT_EQ("./", out.str());
     }
     {
       std::ostringstream out;
       root_writer.WriteDir(out, SourceDir("//"),
                            PathOutput::DIR_NO_LAST_SLASH);
       EXPECT_EQ(".", out.str());
     }
   }
 }