Update SplitString calls in chrome.

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

 // Copyright (c) 2012 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/browser/extensions/api/commands/command_service.h"
 
 #include <vector>
 
 #include "base/lazy_instance.h"
 #include "base/prefs/scoped_user_pref_update.h"
@@ skipping 371 matching lines @@
     item->GetString(kCommandName, &command_name);
     if (command != command_name)
       continue;
     // Format stored in Preferences is: "Platform:Shortcut[:ExtensionId]".
     std::string shortcut = it.key();
     if (!IsForCurrentPlatform(shortcut))
       continue;
     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();
 }
 
 bool CommandService::GetSuggestedExtensionCommand(
     const std::string& extension_id,
     const ui::Accelerator& accelerator,
     Command* command,
     ExtensionCommandType* command_type) const {
@@ skipping 501 matching lines @@
   return true;
 }
 
 template <>
 void
 BrowserContextKeyedAPIFactory<CommandService>::DeclareFactoryDependencies() {
   DependsOn(ExtensionCommandsGlobalRegistry::GetFactoryInstance());
 }
 
 }  // namespace extensions