Fix GCC warning about unhandled enum cases.

webkit/glue/plugins/pepper_url_request_info.cc

 // Copyright (c) 2010 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 "webkit/glue/plugins/pepper_url_request_info.h"
 
 #include "base/logging.h"
 #include "googleurl/src/gurl.h"
 #include "third_party/ppapi/c/pp_var.h"
 #include "third_party/WebKit/WebKit/chromium/public/WebURL.h"
@@ skipping 109 matching lines @@
     case PP_URLRequestProperty_URL:
       web_request_.setURL(GURL(value));
       return true;
     case PP_URLRequestProperty_Method:
       web_request_.setHTTPMethod(WebString::fromUTF8(value));
       return true;
     case PP_URLRequestProperty_Headers:
       // TODO(darin): Support extra request headers
       NOTIMPLEMENTED();
       return false;
+    default:
+      return false;
   }
-  return false;
 }
 
 bool URLRequestInfo::AppendDataToBody(const std::string& data) {
   NOTIMPLEMENTED();  // TODO(darin): Implement me!
   return false;
 }
 
 bool URLRequestInfo::AppendFileToBody(FileRef* file_ref,
                                       int64_t start_offset,
                                       int64_t number_of_bytes,
                                       PP_Time expected_last_modified_time) {
   NOTIMPLEMENTED();  // TODO(darin): Implement me!
   return false;
 }
 
 }  // namespace pepper