Add more phony rules to GN build

tools/gn/escape.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 "tools/gn/escape.h"
 
 #include "base/containers/stack_container.h"
 
 namespace {
 
@@ skipping 40 matching lines @@
       dest->push_back('\\');
 #else
     } else if (str[i] == '\\' && (options.mode & ESCAPE_SHELL)) {
       // For non-Windows shell, escape backslashes.
       dest->push_back('\\');
       dest->push_back('\\');
 #endif
     } else if (str[i] == '\\' && (options.mode & ESCAPE_JSON)) {
       dest->push_back('\\');
       dest->push_back('\\');
+    } else if (str[i] == ':' && (options.mode & ESCAPE_NINJA)) {
+      dest->push_back('$');
+      dest->push_back(':');

[scottmg, 2014/04/28 19:50:53]

test for this

     } else {
       dest->push_back(str[i]);
     }
   }
 
   if (used_quotes)
     dest->push_back('"');
 }
 
 }  // namespace
@@ skipping 10 matching lines @@
 void EscapeStringToStream(std::ostream& out,
                           const base::StringPiece& str,
                           const EscapeOptions& options) {
   // Escape to a stack buffer and then write out to the stream.
   base::StackVector<char, 256> result;
   result->reserve(str.size() + 4);  // Guess we'll add a couple of extra chars.
   EscapeStringToString(str, options, &result.container(), NULL);
   if (!result->empty())
     out.write(result->data(), result->size());
 }