Allow POST method when converting file protocol to http protocol for layout tests.

webkit/tools/test_shell/simple_resource_loader_bridge.cc

Index: webkit/tools/test_shell/simple_resource_loader_bridge.cc
diff --git a/webkit/tools/test_shell/simple_resource_loader_bridge.cc b/webkit/tools/test_shell/simple_resource_loader_bridge.cc
index a3e0f64aa7eec11086e9e4dffbe3332760b42a02..19f0283cac22b986fcd51d3bcd8399a7e5b22daf 100644
--- a/webkit/tools/test_shell/simple_resource_loader_bridge.cc
+++ b/webkit/tools/test_shell/simple_resource_loader_bridge.cc
@@ -585,15 +585,13 @@ class RequestProxy : public net::URLRequest::Delegate,
     if (!g_file_over_http_params || !params->url.SchemeIsFile())
       return;
 
-    // For file protocol, method must be GET or NULL.
-    DCHECK(params->method == "GET" || params->method.empty());
-    // File protocol doesn't support upload.
-    DCHECK(!params->upload);
-    DCHECK(params->referrer.is_empty());
+    // For file protocol, method must be GET, POST or NULL.
+    DCHECK(params->method == "GET" || params->method == "POST" ||
+           params->method.empty());
     DCHECK(!params->download_to_file);
 
-    // "GET" is the only method we allow.
-    params->method = "GET";
+    if (params->method.empty())
+      params->method = "GET";
     std::string original_request = params->url.spec();
     std::string::size_type found =
         original_request.find(g_file_over_http_params->file_path_template);