Fix PPB_MouseLock.LockMouse crash and add tests.

ppapi/ppapi_tests.gypi

 # 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.
 
 {
   'targets': [
     {
       'target_name': 'ppapi_tests',
       'type': 'loadable_module',
       'include_dirs': [
         'lib/gl/include',
       ],
       'defines': [
         'GL_GLEXT_PROTOTYPES',
       ],
       'sources': [
         '<@(test_common_source_files)',
         '<@(test_trusted_source_files)',
       ],
       'dependencies': [
         'ppapi.gyp:ppapi_cpp',
         'ppapi_internal.gyp:ppapi_shared',
       ],
+      'copies': [
+        {
+          'destination': '<(PRODUCT_DIR)',
+          'files': [
+            # Keep 'test_case.html.mock-http-headers' with 'test_case.html'.
+            'tests/test_case.html',
+            'tests/test_case.html.mock-http-headers',
+            'tests/test_page.css',
+            'native_client/tests/ppapi_tests/ppapi_nacl_tests_newlib.nmf',
+          ],
+        },
+        {
+          'destination': '<(PRODUCT_DIR)/test_url_loader_data',
+          'files': [
+            'tests/test_url_loader_data/hello.txt',
+          ],
+        },
+      ],
       'run_as': {
         'action': [
           '<(PRODUCT_DIR)/<(EXECUTABLE_PREFIX)chrome<(EXECUTABLE_SUFFIX)',
           '--enable-pepper-testing',
           '--enable-accelerated-plugins',
           '--register-pepper-plugins=$(TargetPath);application/x-ppapi-tests',
           'file://$(ProjectDir)/tests/test_case.html?testcase=',
         ],
       },
       'conditions': [
@@ skipping 348 matching lines @@
       'dependencies': [
         'ppapi_example_skeleton',
         'ppapi.gyp:ppapi_cpp',
       ],
       'sources': [
         'examples/printing/printing.cc',
       ],
     },
   ],
 }