Add testRunner.dumpNavigationPolicy() to be able to the the navigation policy

content/shell/renderer/test_runner/web_test_proxy.cc

 // Copyright 2014 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/shell/renderer/test_runner/web_test_proxy.h"
 
 #include <cctype>
 
 #include "base/callback_helpers.h"
 #include "base/command_line.h"
@@ skipping 220 matching lines @@
     case blink::WebNavigationTypeReload:
       return kReloadString;
     case blink::WebNavigationTypeFormResubmitted:
       return kFormResubmittedString;
     case blink::WebNavigationTypeOther:
       return kOtherString;
   }
   return kIllegalString;
 }
 
+const char* kPolicyIgnore = "Ignore";
+const char* kPolicyDownload = "download";
+const char* kPolicyCurrentTab = "current tab";
+const char* kPolicyNewBackgroundTab = "new background tab";
+const char* kPolicyNewForegroundTab = "new foreground tab";
+const char* kPolicyNewWindow = "new window";
+const char* kPolicyNewPopup = "new popup";
+
+const char* WebNavigationPolicyToString(blink::WebNavigationPolicy policy) {
+  switch (policy) {
+    case blink::WebNavigationPolicyIgnore:
+      return kPolicyIgnore;
+    case blink::WebNavigationPolicyDownload:
+      return kPolicyDownload;
+    case blink::WebNavigationPolicyCurrentTab:
+      return kPolicyCurrentTab;
+    case blink::WebNavigationPolicyNewBackgroundTab:
+      return kPolicyNewBackgroundTab;
+    case blink::WebNavigationPolicyNewForegroundTab:
+      return kPolicyNewForegroundTab;
+    case blink::WebNavigationPolicyNewWindow:
+      return kPolicyNewWindow;
+    case blink::WebNavigationPolicyNewPopup:
+      return kPolicyNewPopup;
+  }
+  return kIllegalString;
+}
+
 std::string DumpFrameHeaderIfNeeded(blink::WebFrame* frame) {
   std::string result;
 
   // Add header for all but the main frame. Skip empty frames.
   if (frame->parent() && !frame->document().documentElement().isNull()) {
     result.append("\n--------\nFrame: '");
     result.append(frame->uniqueName().utf8().data());
     result.append("'\n--------\n");
   }
 
@@ skipping 1035 matching lines @@
   if (frame != test_interfaces_->GetTestRunner()->topLoadingFrame())
     return;
   if (reason != MainResourceLoadFailed &&
       (frame->isResourceLoadInProgress() || frame->isLoading()))
     return;
   test_interfaces_->GetTestRunner()->setTopLoadingFrame(frame, true);
 }
 
 blink::WebNavigationPolicy WebTestProxyBase::DecidePolicyForNavigation(
     const blink::WebFrameClient::NavigationPolicyInfo& info) {
+  if (test_interfaces_->GetTestRunner()->shouldDumpNavigationPolicy()) {
+    delegate_->PrintMessage("Default policy for navigation to " +
+                            URLDescription(info.urlRequest.url()) + " is '" +

[Mike West, 2015/03/10 13:10:35]

Nit: If you put quotes around the URL, it'll stand out more in the console
message.

+                            WebNavigationPolicyToString(info.defaultPolicy) +
+                            "'\n");
+  }
+
   blink::WebNavigationPolicy result;
   if (!test_interfaces_->GetTestRunner()->policyDelegateEnabled())
     return info.defaultPolicy;
 
   delegate_->PrintMessage(
       std::string("Policy delegate: attempt to load ") +
       URLDescription(info.urlRequest.url()) + " with navigation type '" +
       WebNavigationTypeToString(info.navigationType) + "'\n");
   if (test_interfaces_->GetTestRunner()->policyDelegateIsPermissive())
     result = blink::WebNavigationPolicyCurrentTab;
@@ skipping 30 matching lines @@
   // to cancel the input method's ongoing composition session.
   if (web_widget_)
     web_widget_->confirmComposition();
 }
 
 blink::WebString WebTestProxyBase::acceptLanguages() {
   return blink::WebString::fromUTF8(accept_languages_);
 }
 
 }  // namespace content