Add hw_video_decode_mac flag for Flash 15.0.0.223.

content/browser/ppapi_plugin_process_host.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 "content/browser/ppapi_plugin_process_host.h"
 
 #include <string>
 
 #include "base/base_switches.h"
 #include "base/command_line.h"
@@ skipping 323 matching lines @@
     // going to explode.
     std::string field_trial =
         base::FieldTrialList::FindFullName(kFlashHwVideoDecodeFieldTrialName);
     std::string existing_args =
         browser_command_line.GetSwitchValueASCII(switches::kPpapiFlashArgs);
     if (field_trial == kFlashHwVideoDecodeFieldTrialEnabledName) {
       // Arguments passed to Flash are comma delimited.
       if (!existing_args.empty())
         existing_args.append(",");
       existing_args.append("enable_hw_video_decode=1");
+#if defined(OS_MACOSX)
+      // TODO(ihf): Remove this once Flash newer than 15.0.0.223 is released.
+      existing_args.append(",enable_hw_video_decode_mac=1");
+#endif
     }
     cmd_line->AppendSwitchASCII(switches::kPpapiFlashArgs, existing_args);
   }
 
   std::string locale = GetContentClient()->browser()->GetApplicationLocale();
   if (!locale.empty()) {
     // Pass on the locale so the plugin will know what language we're using.
     cmd_line->AppendSwitchASCII(switches::kLang, locale);
   }
 
@@ skipping 108 matching lines @@
   // sent_requests_ queue should be the one that the plugin just created.
   Client* client = sent_requests_.front();
   sent_requests_.pop();
 
   const ChildProcessData& data = process_->GetData();
   client->OnPpapiChannelOpened(channel_handle, base::GetProcId(data.handle),
                                data.id);
 }
 
 }  // namespace content