Update SplitString calls in chrome.

chrome/browser/extensions/api/commands/command_service.cc

Index: chrome/browser/extensions/api/commands/command_service.cc
diff --git a/chrome/browser/extensions/api/commands/command_service.cc b/chrome/browser/extensions/api/commands/command_service.cc
index 7636c93d2188b1096fd14dff98e2b630ceceebd9..5ff87113ecf42f457c2a7786281829ec947d1b49 100644
--- a/chrome/browser/extensions/api/commands/command_service.cc
+++ b/chrome/browser/extensions/api/commands/command_service.cc
@@ -389,12 +389,12 @@ Command CommandService::FindCommandByName(const std::string& extension_id,
     bool global = false;
     item->GetBoolean(kGlobal, &global);
 
-    std::vector<std::string> tokens;
-    base::SplitString(shortcut, ':', &tokens);
+    std::vector<base::StringPiece> tokens = base::SplitStringPiece(
+        shortcut, ":", base::TRIM_WHITESPACE, base::SPLIT_WANT_ALL);
     CHECK(tokens.size() >= 2);
-    shortcut = tokens[1];
 
-    return Command(command_name, base::string16(), shortcut, global);
+    return Command(command_name, base::string16(), tokens[1].as_string(),
+           global);
   }
 
   return Command();