Print Preview component extension

chrome/common/extensions/extension.cc

Index: chrome/common/extensions/extension.cc
diff --git a/chrome/common/extensions/extension.cc b/chrome/common/extensions/extension.cc
index b8c516300da2393989e0e625e49031d1e633c9ed..1de19cc23c8ecc3ab0565f4add4535028ecfa94e 100644
--- a/chrome/common/extensions/extension.cc
+++ b/chrome/common/extensions/extension.cc
@@ -206,7 +206,6 @@ 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);
@@ -215,7 +214,6 @@ bool Extension::GenerateId(const std::string& input, std::string* output) {
   SHA256_End(&ctx, hash, NULL, sizeof(hash));
   *output = StringToLowerASCII(HexEncode(hash, sizeof(hash)));
   ConvertHexadecimalToIDAlphabet(output);
-
   return true;
 }
 
@@ -1448,7 +1446,8 @@ bool Extension::InitFromValue(const DictionaryValue& source, bool require_key,
       // 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;