Add 'NavigationHandle::QueueConsoleMessage'.

content/test/test_render_frame_host.cc

Index: content/test/test_render_frame_host.cc
diff --git a/content/test/test_render_frame_host.cc b/content/test/test_render_frame_host.cc
index 115d6069a172c12b9e581da70aacecb2d527281a..d61ba57fe26e0e820e31ab311d4e84c3aaeea30d 100644
--- a/content/test/test_render_frame_host.cc
+++ b/content/test/test_render_frame_host.cc
@@ -74,6 +74,12 @@ MockRenderProcessHost* TestRenderFrameHost::GetProcess() {
   return static_cast<MockRenderProcessHost*>(RenderFrameHostImpl::GetProcess());
 }
 
+void TestRenderFrameHost::AddMessageToConsole(ConsoleMessageLevel level,
+                                              const std::string& message) {
+  RenderFrameHostImpl::AddMessageToConsole(level, message);
+  console_messages_.push_back(message);
+}
+
 void TestRenderFrameHost::InitializeRenderFrameIfNeeded() {
   if (!render_view_host()->IsRenderViewLive()) {
     render_view_host()->GetProcess()->Init();