Avoid accepting suspiciously long URLs from the renderer. These can take down...

chrome/common/chrome_constants.h

Index: chrome/common/chrome_constants.h
===================================================================
--- chrome/common/chrome_constants.h	(revision 35352)
+++ chrome/common/chrome_constants.h	(working copy)
@@ -67,8 +67,12 @@
 extern const int kStatsMaxCounters;
 
 // The maximum number of characters of the document's title that we're willing
-// to send to the browser process.
+// to accept in the browser process.
 extern const size_t kMaxTitleChars;
+// The maximum number of characters in the URL that we're willing to accept
+// in the browser process. It is set low enough to avoid damage to the browser
+// but high enough that a web site can abuse location.hash for a little storage.
+extern const size_t kMaxURLChars;
 
 extern const bool kRecordModeEnabled;