Set a max limit on extension items' labels in context menus....

chrome/browser/tab_contents/render_view_context_menu.cc

Index: chrome/browser/tab_contents/render_view_context_menu.cc
===================================================================
--- chrome/browser/tab_contents/render_view_context_menu.cc	(revision 54510)
+++ chrome/browser/tab_contents/render_view_context_menu.cc	(working copy)
@@ -54,6 +54,11 @@
 using WebKit::WebMediaPlayerAction;
 
 // static
+const size_t RenderViewContextMenu::kMaxExtensionItemTitleLength = 75;
+// static
+const size_t RenderViewContextMenu::kMaxSelectionTextLength = 50;
+
+// static
 bool RenderViewContextMenu::IsDevToolsURL(const GURL& url) {
   return url.SchemeIs(chrome::kChromeUIScheme) &&
       url.host() == chrome::kChromeUIDevToolsHost;
@@ -202,7 +207,8 @@
   } else {
     ExtensionMenuItem* item = items[0];
     extension_item_map_[menu_id] = item->id();
-    title = item->TitleWithReplacement(PrintableSelectionText());
+    title = item->TitleWithReplacement(PrintableSelectionText(),
+                                       kMaxExtensionItemTitleLength);
     submenu_items = GetRelevantExtensionItems(item->children(), params_);
   }
 
@@ -243,7 +249,8 @@
     if (menu_id >= IDC_EXTENSIONS_CONTEXT_CUSTOM_LAST)
       return;
     extension_item_map_[menu_id] = item->id();
-    string16 title = item->TitleWithReplacement(selection_text);
+    string16 title = item->TitleWithReplacement(selection_text,
+                                                kMaxExtensionItemTitleLength);
     if (item->type() == ExtensionMenuItem::NORMAL) {
       ExtensionMenuItem::List children =
           GetRelevantExtensionItems(item->children(), params_);
@@ -1367,7 +1374,8 @@
 }
 
 string16 RenderViewContextMenu::PrintableSelectionText() {
-  return WideToUTF16(l10n_util::TruncateString(params_.selection_text, 50));
+  return WideToUTF16(l10n_util::TruncateString(params_.selection_text,
+                                               kMaxSelectionTextLength));
 }
 
 // Controller functions --------------------------------------------------------