Allow more options for setting boolean flag values in SkFlags.

tools/SkFlags.cpp

 /*
  * Copyright 2013 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkFlags.h"
 
 SkFlagInfo* SkFlags::gHead;
@@ skipping 75 matching lines @@
             helpPrinted = true;
         }
         if (!helpPrinted) {
             bool flagMatched = false;
             SkFlagInfo* flag = gHead;
             while (flag != NULL) {
                 if (flag->match(argv[i])) {
                     flagMatched = true;
                     switch (flag->getFlagType()) {
                         case SkFlagInfo::kBool_FlagType:
-                            // Handled by match, above
+                            // Can be handled by match, above, but can also be set by the next
+                            // string.
+                            if (i+1 < argc && !SkStrStartsWith(argv[i+1], '-')) {
+                                i++;
+                                bool value;
+                                if (SkFlagInfo::ParseBoolArg(argv[i], &value)) {
+                                    flag->setBool(value);
+                                }
+                            }
                             break;
                         case SkFlagInfo::kString_FlagType:
                             flag->resetStrings();
                             // Add all arguments until another flag is reached.
                             while (i+1 < argc && !SkStrStartsWith(argv[i+1], '-')) {
                                 i++;
                                 flag->append(argv[i]);
                             }
                             break;
                         case SkFlagInfo::kInt_FlagType:
@@ skipping 22 matching lines @@
     gHead = NULL;
     while (flag != NULL) {
         SkFlagInfo* next = flag->next();
         SkDELETE(flag);
         flag = next;
     }
     if (helpPrinted) {
         exit(0);
     }
 }