Adds browser test framework for the IME keyboard, and some basic typing tests.

chrome/browser/chromeos/extensions/virtual_keyboard_browsertest.h

Index: chrome/browser/chromeos/extensions/virtual_keyboard_browsertest.h
diff --git a/chrome/browser/chromeos/extensions/virtual_keyboard_browsertest.h b/chrome/browser/chromeos/extensions/virtual_keyboard_browsertest.h
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+// Copyright 2014 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.
+
+#ifndef CHROME_BROWSER_CHROMEOS_EXTENSIONS_VIRTUAL_KEYBOARD_BROWSERTEST_H_
+#define CHROME_BROWSER_CHROMEOS_EXTENSIONS_VIRTUAL_KEYBOARD_BROWSERTEST_H_
+
+#include "base/files/file_path.h"
+#include "chrome/test/base/in_process_browser_test.h"
+#include "url/gurl.h"
+
+namespace base {
+class CommandLine;
+class FilePath;
+}
+
+namespace content {
+class RenderViewHost;
+class WebContents;
+}
+
+// See the .cc for default values.
+struct VirtualKeyboardBrowserTestConfig {
+  VirtualKeyboardBrowserTestConfig();
+
+  ~VirtualKeyboardBrowserTestConfig();
+
+  // The filename of the base framework. This file should be in |test_dir_|.
+  std::string base_framework_;
+
+  // The virtual keyboard's extension id.
+  std::string extension_id_;
+
+  // Path to the test directory.
+  std::string test_dir_;
+
+  // URL of the keyboard extension.
+  std::string url_;
+};
+
+class VirtualKeyboardBrowserTest : public InProcessBrowserTest {
+ public:
+  // Injects javascript in |file| into the keyboard page and runs the methods in
+  // |file| whose names match the expression "test*".
+  void RunTest(const base::FilePath& file,
+               const VirtualKeyboardBrowserTestConfig& config);
+
+  void ShowVirtualKeyboard();
+
+  // Returns the render view host that the keyboard with extension |id| is in.
+  content::RenderViewHost* GetKeyboardRenderViewHost(const std::string& id);
+
+  // InProcessBrowserTest.
+  // Ensure that the virtual keyboard is enabled.
+  virtual void SetUpCommandLine(base::CommandLine* command_line) OVERRIDE;
+
+ protected:
+  // Accumulates the javascript and injects it when the test starts. The test
+  // |file| is in directory |dir| relative to the root testing directory.
+  void InjectJavascript(const base::FilePath& dir, const base::FilePath& file);
+
+ private:
+  std::string utf8_content_;
+};
+
+#endif  // CHROME_BROWSER_CHROMEOS_EXTENSIONS_VIRTUAL_KEYBOARD_BROWSERTEST_H_