Add ExecuteJavaScriptForTest and make all tests use it

chrome/browser/ui/views/select_file_dialog_extension_browsertest.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 "chrome/browser/ui/views/select_file_dialog_extension.h"
 
 #include "base/files/file_util.h"
 #include "base/files/scoped_temp_dir.h"
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 194 matching lines @@
     // that the window has closed.
     content::RenderViewHost* host = dialog_->GetRenderViewHost();
     std::string button_class =
         (button_type == DIALOG_BTN_OK) ? ".button-panel .ok" :
                                          ".button-panel .cancel";
     base::string16 script = base::ASCIIToUTF16(
         "console.log(\'Test JavaScript injected.\');"
         "document.querySelector(\'" + button_class + "\').click();");
     // The file selection handler closes the dialog and does not return control
     // to JavaScript, so do not wait for return values.
-    host->GetMainFrame()->ExecuteJavaScript(script);
+    host->GetMainFrame()->ExecuteJavaScriptForTests(script);
     LOG(INFO) << "Waiting for window close notification.";
     listener_->WaitForCalled();
 
     // Dialog no longer believes it is running.
     ASSERT_FALSE(dialog_->IsRunning(owning_window));
   }
 
   scoped_ptr<MockSelectFileDialogListener> listener_;
   scoped_refptr<SelectFileDialogExtension> dialog_;
 
@@ skipping 170 matching lines @@
   ASSERT_FALSE(second_dialog_->IsRunning(owning_window));
 
   // Click cancel button.
   CloseDialog(DIALOG_BTN_CANCEL, owning_window);
 
   // Listener should have been informed of the cancellation.
   ASSERT_FALSE(listener_->file_selected());
   ASSERT_TRUE(listener_->canceled());
   ASSERT_EQ(this, listener_->params());
 }