Add webdriver endpoint to send custom debugger commands

chrome/test/chromedriver/chrome/web_view_impl.cc

 // Copyright (c) 2013 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/test/chromedriver/chrome/web_view_impl.h"
 
 #include <stddef.h>
 #include <utility>
 
 #include "base/bind.h"
@@ skipping 188 matching lines @@
   params.SetString("url", url);
   return client_->SendCommandWithTimeout("Page.navigate", params, timeout);
 }
 
 Status WebViewImpl::Reload(const Timeout* timeout) {
   base::DictionaryValue params;
   params.SetBoolean("ignoreCache", false);
   return client_->SendCommandWithTimeout("Page.reload", params, timeout);
 }
 
+Status WebViewImpl::SendCommand(const std::string& cmd,
+                                const base::DictionaryValue& params) {
+  return client_->SendCommand(cmd, params);
+}
+
+Status WebViewImpl::SendCommandAndGetResult(
+        const std::string& cmd,
+        const base::DictionaryValue& params,
+        std::unique_ptr<base::Value>* value) {
+  std::unique_ptr<base::DictionaryValue> result;
+  Status status = client_->SendCommandAndGetResult(cmd, params, &result);
+  if (status.IsError())
+    return status;
+  *value = std::move(result);
+  return Status(kOk);
+}
+
 Status WebViewImpl::TraverseHistory(int delta, const Timeout* timeout) {
   base::DictionaryValue params;
   std::unique_ptr<base::DictionaryValue> result;
   Status status = client_->SendCommandAndGetResult(
       "Page.getNavigationHistory", params, &result);
   if (status.IsError()) {
     // TODO(samuong): remove this once we stop supporting WebView on KitKat.
     // Older versions of WebView on Android (on KitKat and earlier) do not have
     // the Page.getNavigationHistory DevTools command handler, so fall back to
     // using JavaScript to navigate back and forward. WebView reports its build
@@ skipping 702 matching lines @@
 
   if (!cmd_result->GetInteger("nodeId", node_id))
     return Status(kUnknownError, "DOM.requestNode missing int 'nodeId'");
   *found_node = true;
   return Status(kOk);
 }
 
 
 
 }  // namespace internal