OOPIF support for testRunner.dumpAsText and similar layout dumps.

content/shell/renderer/layout_test/layout_test_render_frame_observer.cc

Index: content/shell/renderer/layout_test/layout_test_render_frame_observer.cc
diff --git a/content/shell/renderer/layout_test/layout_test_render_frame_observer.cc b/content/shell/renderer/layout_test/layout_test_render_frame_observer.cc
index 062e911f3dabfff56dade9e89d3862627591e8f9..6cf65a812d75c2145b1473ff7f4b174695cff67d 100644
--- a/content/shell/renderer/layout_test/layout_test_render_frame_observer.cc
+++ b/content/shell/renderer/layout_test/layout_test_render_frame_observer.cc
@@ -4,10 +4,16 @@
 
 #include "content/shell/renderer/layout_test/layout_test_render_frame_observer.h"
 
+#include <string>
+
+#include "components/test_runner/layout_dump.h"
+#include "components/test_runner/layout_dump_flags.h"
 #include "components/test_runner/web_test_interfaces.h"
 #include "components/test_runner/web_test_runner.h"
 #include "content/public/renderer/render_frame.h"
+#include "content/shell/common/shell_messages.h"
 #include "content/shell/renderer/layout_test/layout_test_render_process_observer.h"
+#include "ipc/ipc_message_macros.h"
 #include "third_party/WebKit/public/web/WebLocalFrame.h"
 
 namespace content {
@@ -22,4 +28,22 @@ LayoutTestRenderFrameObserver::LayoutTestRenderFrameObserver(
           ->GetWebContentSettings());
 }
 
+bool LayoutTestRenderFrameObserver::OnMessageReceived(
+    const IPC::Message& message) {
+  bool handled = true;
+  IPC_BEGIN_MESSAGE_MAP(LayoutTestRenderFrameObserver, message)
+    IPC_MESSAGE_HANDLER(ShellViewMsg_LayoutDumpRequest, OnLayoutDumpRequest)
+    IPC_MESSAGE_UNHANDLED(handled = false)
+  IPC_END_MESSAGE_MAP()
+
+  return handled;
+}
+
+void LayoutTestRenderFrameObserver::OnLayoutDumpRequest(
+    test_runner::LayoutDumpFlags layout_dump_flags) {
+  std::string dump =
+      test_runner::DumpLayout(render_frame()->GetWebFrame(), layout_dump_flags);
+  Send(new ShellViewHostMsg_LayoutDumpResponse(routing_id(), dump));
+}
+
 }  // namespace content