Generate VS projects also for target dependencies.

tools/gn/command_gen.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 "base/atomicops.h"
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/stringprintf.h"
 #include "base/timer/elapsed_timer.h"
@@ skipping 245 matching lines @@
     "      \"vs\" - Visual Studio project/solution files.\n"
     "             (default Visual Studio version: 2015)\n"
     "      \"vs2013\" - Visual Studio 2013 project/solution files.\n"
     "      \"vs2015\" - Visual Studio 2015 project/solution files.\n"
     "      \"xcode\" - Xcode workspace/solution files.\n"
     "      \"qtcreator\" - QtCreator project files.\n"
     "\n"
     "  --filters=<path_prefixes>\n"
     "      Semicolon-separated list of label patterns used to limit the set\n"
     "      of generated projects (see \"gn help label_pattern\"). Only\n"
-    "      matching targets will be included to the solution. Only used for\n"
-    "      Visual Studio and Xcode.\n"
+    "      matching targets and their dependencies will be included in the\n"
+    "      solution. Only used for Visual Studio and Xcode.\n"
     "\n"
     "Visual Studio Flags\n"
     "\n"
     "  --sln=<file_name>\n"
     "      Override default sln file name (\"all\"). Solution file is written\n"
     "      to the root build directory.\n"
     "\n"
     "Xcode Flags\n"
     "\n"
     "  --workspace=<file_name>\n"
@@ skipping 96 matching lines @@
             setup->scheduler().input_file_manager()->GetInputFileCount()) +
         " files in " +
         base::Int64ToString(elapsed_time.InMilliseconds()) + "ms\n";
     OutputString(stats);
   }
 
   return 0;
 }
 
 }  // namespace commands