Revert 95009. Causing pyauto NTP test failures on all platforms.

chrome/browser/ui/webui/extension_icon_source.cc

 // Copyright (c) 2011 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/ui/webui/extension_icon_source.h"
 
 #include "base/callback.h"
 #include "base/memory/ref_counted_memory.h"
 #include "base/stl_util.h"
 #include "base/string_number_conversions.h"
@@ skipping 260 matching lines @@
   if (!base::StringToInt(match_param, &match_num))
     return false;
   match_type = static_cast<ExtensionIconSet::MatchType>(match_num);
   if (!(match_type == ExtensionIconSet::MATCH_EXACTLY ||
         match_type == ExtensionIconSet::MATCH_SMALLER ||
         match_type == ExtensionIconSet::MATCH_BIGGER))
     match_type = ExtensionIconSet::MATCH_EXACTLY;
 
   std::string extension_id = path_parts.at(0);
   const Extension* extension =
-      profile_->GetExtensionService()->GetInstalledExtension(extension_id);
+      profile_->GetExtensionService()->GetExtensionById(extension_id, true);
   if (!extension)
     return false;
 
   bool grayscale = path_lower.find("grayscale=true") != std::string::npos;
 
   SetData(request_id, extension, grayscale, size, match_type);
 
   return true;
 }
 
@@ skipping 25 matching lines @@
 
 void ExtensionIconSource::ClearData(int request_id) {
   std::map<int, ExtensionIconRequest*>::iterator i =
       request_map_.find(request_id);
   if (i == request_map_.end())
     return;
 
   delete i->second;
   request_map_.erase(i);
 }