Rewrite layout_browsertests to use content_shell --dump-render-tree to execute layout tests

content/test/layout_browsertest.h

Index: content/test/layout_browsertest.h
diff --git a/content/test/layout_browsertest.h b/content/test/layout_browsertest.h
index 00c12136e9bfacad4d59e11a9d8d602e211d2825..c4064660e799b41e2a7fdbd44de348093bab7d1e 100644
--- a/content/test/layout_browsertest.h
+++ b/content/test/layout_browsertest.h
@@ -8,6 +8,9 @@
 
 class GURL;
 class LayoutTestHttpServer;
+namespace content {
+class WebKitTestController;
+}
 
 class InProcessBrowserLayoutTest : public content::ContentBrowserTest {
  public:
@@ -26,33 +29,31 @@ class InProcessBrowserLayoutTest : public content::ContentBrowserTest {
   virtual ~InProcessBrowserLayoutTest();
 
   virtual void SetUpInProcessBrowserTestFixture() OVERRIDE;
+  virtual void SetUpOnMainThread() OVERRIDE;
+  virtual void SetUpCommandLine(CommandLine* command_line) OVERRIDE;
   // Runs a layout test given its filename relative to the path given to the
   // constructor.
   void RunLayoutTest(const std::string& test_case_file_name);
   // Runs a layout test using the HTTP test server. The second constructor must
   // have been used.
   void RunHttpLayoutTest(const std::string& test_case_file_name);
-  void AddResourceForLayoutTest(const FilePath& parent_dir,
-                                const FilePath& resource_name);
 
  private:
   void RunLayoutTestInternal(const std::string& test_case_file_name,
                              const GURL& url);
-  void WriteModifiedFile(const std::string& test_case_file_name,
-                         FilePath* test_path);
   std::string SaveResults(const std::string& expected,
                           const std::string& actual);
 
-  FilePath our_original_layout_test_dir_;
+  FilePath layout_test_dir_;
   FilePath test_parent_dir_;
   FilePath test_case_dir_;
-  FilePath our_layout_test_temp_dir_;
   FilePath rebase_result_dir_;
   FilePath rebase_result_chromium_dir_;
   FilePath rebase_result_win_dir_;
-  ScopedTempDir scoped_temp_dir_;
   int port_;  // -2 means no port.  -1 means random.
   scoped_ptr<LayoutTestHttpServer> test_http_server_;
 
+  scoped_ptr<content::WebKitTestController> test_controller_;
+
   DISALLOW_COPY_AND_ASSIGN(InProcessBrowserLayoutTest);
 };