First fix to minimize copying of image data.

app/resource_bundle_win.cc

 // Copyright (c) 2006-2008 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 "app/resource_bundle.h"
 
 #include <atlbase.h>
 
 #include "app/app_paths.h"
 #include "app/gfx/font.h"
@@ skipping 67 matching lines @@
   FilePath theme_data_path;
   PathService::Get(app::DIR_THEMES, &theme_data_path);
   theme_data_path = theme_data_path.AppendASCII("default.dll");
 
   // The dll should only have resources, not executable code.
   theme_data_ = LoadLibraryEx(theme_data_path.value().c_str(), NULL,
                               GetDataDllLoadFlags());
   DCHECK(theme_data_ != NULL) << "unable to load " << theme_data_path.value();
 }
 
-/* static */
-bool ResourceBundle::LoadResourceBytes(
-    DataHandle module,
-    int resource_id,
-    std::vector<unsigned char>* bytes) {
+// static
+RefCountedStaticMemory* ResourceBundle::LoadResourceBytes(
+    DataHandle module, int resource_id) {
   void* data_ptr;
   size_t data_size;
   if (base::GetDataResourceFromModule(module, resource_id, &data_ptr,
                                       &data_size)) {
-    bytes->resize(data_size);
-    memcpy(&(bytes->front()), data_ptr, data_size);
-    return true;
+    return new RefCountedStaticMemory(
+        reinterpret_cast<const unsigned char*>(data_ptr), data_size);
   } else {
-    return false;
+    return NULL;
   }
 }
 
 HICON ResourceBundle::LoadThemeIcon(int icon_id) {
   return ::LoadIcon(theme_data_, MAKEINTRESOURCE(icon_id));
 }
 
 base::StringPiece ResourceBundle::GetRawDataResource(int resource_id) {
   void* data_ptr;
   size_t data_size;
@@ skipping 40 matching lines @@
                                       message_id);
     if (!image) {
       StackTrace().PrintBacktrace();  // See http://crbug.com/21925.
       NOTREACHED() << "unable to find resource: " << message_id;
       return std::wstring();
     }
   }
   // Copy into a string16 and return.
   return string16(image->achString, image->nLength);
 }