Replace WIDEVINE_CDM_AVAILABLE with a gyp define 'enable_widevine_cdm'.

chrome/renderer/chrome_content_renderer_client.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/renderer/chrome_content_renderer_client.h"
 
 #include "base/command_line.h"
 #include "base/debug/crash_logging.h"
 #include "base/logging.h"
 #include "base/metrics/field_trial.h"
@@ skipping 227 matching lines @@
       plugin.type != WebPluginInfo::PLUGIN_TYPE_PEPPER_OUT_OF_PROCESS) {
     return false;
   }
 
 #if !defined(DISABLE_NACL)
   // Treat Native Client invocations like JavaScript.
   if (plugin.name == ASCIIToUTF16(nacl::kNaClPluginName))
     return true;
 #endif
 
-#if defined(WIDEVINE_CDM_AVAILABLE) && defined(ENABLE_PEPPER_CDMS)
+#if defined(ENABLE_WIDEVINE_CDM) && defined(ENABLE_PEPPER_CDMS)
   // Treat CDM invocations like JavaScript.
   if (plugin.name == ASCIIToUTF16(kWidevineCdmDisplayName)) {
     DCHECK(plugin.type == WebPluginInfo::PLUGIN_TYPE_PEPPER_OUT_OF_PROCESS);
     return true;
   }
-#endif  // defined(WIDEVINE_CDM_AVAILABLE) && defined(ENABLE_PEPPER_CDMS)
+#endif  // defined(ENABLE_WIDEVINE_CDM) && defined(ENABLE_PEPPER_CDMS)
 
   return false;
 }
 
 #if defined(ENABLE_EXTENSIONS)
 void IsGuestViewApiAvailableToScriptContext(
     bool* api_is_available,
     extensions::ScriptContext* context) {
   if (context->GetAvailability("guestViewInternal").is_available()) {
     *api_is_available = true;
@@ skipping 1305 matching lines @@
   if (mime_type == content::kBrowserPluginMimeType) {
     return new extensions::ExtensionsGuestViewContainer(render_frame);
   } else {
     return new extensions::MimeHandlerViewContainer(
         render_frame, mime_type, original_url);
   }
 #else
   return NULL;
 #endif
 }