chromeos: Add logging to pepper plugin loading.

content/common/pepper_plugin_registry.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 "content/common/pepper_plugin_registry.h"
 
 #include "base/command_line.h"
 #include "base/file_util.h"
 #include "base/native_library.h"
 #include "base/string_split.h"
@@ skipping 119 matching lines @@
 
 // static
 void PepperPluginRegistry::PreloadModules() {
   std::vector<content::PepperPluginInfo> plugins;
   ComputeList(&plugins);
   for (size_t i = 0; i < plugins.size(); ++i) {
     if (!plugins[i].is_internal && plugins[i].is_sandboxed) {
       std::string error;
       base::NativeLibrary library = base::LoadNativeLibrary(plugins[i].path,
                                                             &error);
+#if defined(OS_CHROMEOS)
+      // TODO(xiyuan): Remove this once crosbug.com/26646 is resolved.
+      LOG(ERROR) << "#### PepperPluginRegistry::PreloadModules"
+                 << ", path=" << plugins[i].path.value();
+#endif  // defined (OS_CHROMEOS)
       DLOG_IF(WARNING, !library) << "Unable to load plugin "
                                  << plugins[i].path.value() << " "
                                  << error;
       (void)library;  // Prevent release-mode warning.
     }
   }
 }
 
 const content::PepperPluginInfo* PepperPluginRegistry::GetInfoForPlugin(
     const webkit::WebPluginInfo& info) {
@@ skipping 78 matching lines @@
       // Preload all external plugins we're not running out of process.
       if (!module->InitAsLibrary(current.path)) {
         DLOG(ERROR) << "Failed to load pepper module: " << current.path.value();
         continue;
       }
     }
     preloaded_modules_[current.path] = module;
   }
 }