Print Preview component extension

chrome/common/extensions/extension.cc

 // Copyright (c) 2010 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 "chrome/common/extensions/extension.h"
 
 #include <algorithm>
 
 #include "app/l10n_util.h"
 #include "app/resource_bundle.h"
@@ skipping 188 matching lines @@
   GURL ret_val = GURL(extension_url.spec() + relative_path);
   DCHECK(StartsWithASCII(ret_val.spec(), extension_url.spec(), false));
 
   return ret_val;
 }
 
 bool Extension::GenerateId(const std::string& input, std::string* output) {
   CHECK(output);
   if (input.length() == 0)
     return false;
-
   const uint8* ubuf = reinterpret_cast<const unsigned char*>(input.data());
   SHA256Context ctx;
   SHA256_Begin(&ctx);
   SHA256_Update(&ctx, ubuf, input.length());
   uint8 hash[Extension::kIdSize];
   SHA256_End(&ctx, hash, NULL, sizeof(hash));
   *output = StringToLowerASCII(HexEncode(hash, sizeof(hash)));
   ConvertHexadecimalToIDAlphabet(output);
-
   return true;
 }
 
 // Helper method that loads a UserScript object from a dictionary in the
 // content_script list of the manifest.
 bool Extension::LoadUserScriptHelper(const DictionaryValue* content_script,
                                      int definition_index, std::string* error,
                                      UserScript* result) {
   // run_at
   if (content_script->HasKey(keys::kRunAt)) {
@@ skipping 1212 matching lines @@
     }
 
     // Validate that the overrides are all strings
     for (DictionaryValue::key_iterator iter = overrides->begin_keys();
          iter != overrides->end_keys(); ++iter) {
       std::string page = WideToUTF8(*iter);
       std::string val;
       // Restrict override pages to a list of supported URLs.
       if ((page != chrome::kChromeUINewTabHost &&
            page != chrome::kChromeUIBookmarksHost &&
-           page != chrome::kChromeUIHistoryHost) ||
+           page != chrome::kChromeUIHistoryHost &&
+           page != chrome::kChromeUIPrintPreviewHost) ||
           !overrides->GetStringWithoutPathExpansion(*iter, &val)) {
         *error = errors::kInvalidChromeURLOverrides;
         return false;
       }
       // Replace the entry with a fully qualified chrome-extension:// URL.
       chrome_url_overrides_[page] = GetResourceURL(val);
     }
 
     // An extension may override at most one page.
     if (overrides->size() > 1) {
@@ skipping 268 matching lines @@
         } else {
           return false;
         }
       } else {
         return true;
       }
     }
   }
   return false;
 }