[content shell] if the document is plain text, dump it as text

content/shell/webkit_test_controller.cc

 // Copyright (c) 2012 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/webkit_test_controller.h"
 
 #include <iostream>
 
 #include "base/command_line.h"
 #include "base/file_util.h"
@@ skipping 256 matching lines @@
   DCHECK(CalledOnValidThread());
   main_window_ = NULL;
   printer_->AddErrorMessage("FAIL: main window was destroyed");
 }
 
 void WebKitTestController::CaptureDump() {
   if (captured_dump_ || !main_window_ || !printer_->in_text_block())
     return;
   captured_dump_ = true;
 
+  if (main_window_->web_contents()->GetContentsMimeType() == "text/plain") {
+    dump_as_text_ = true;
+    enable_pixel_dumping_ = false;
+  }
+
   RenderViewHost* render_view_host =
       main_window_->web_contents()->GetRenderViewHost();
 
   render_view_host->Send(new ShellViewMsg_CaptureTextDump(
       render_view_host->GetRoutingID(),
       dump_as_text_,
       is_printing_,
       dump_child_frames_));
   if (!dump_as_text_ && enable_pixel_dumping_) {
     render_view_host->Send(new ShellViewMsg_CaptureImageDump(
@@ skipping 141 matching lines @@
 
 void WebKitTestController::OnNotImplemented(
     const std::string& object_name,
     const std::string& property_name) {
   printer_->AddErrorMessage(
       std::string("FAIL: NOT IMPLEMENTED: ") +
       object_name + "." + property_name);
 }
 
 }  // namespace content