[ChromeDriver] Support mobile emulation on desktop Chrome.

chrome/chrome_tests.gypi

Index: chrome/chrome_tests.gypi
diff --git a/chrome/chrome_tests.gypi b/chrome/chrome_tests.gypi
index 4433ec474a7a97cb20a0739401181cf2fd454bce..773568030c9288847d332a6275a71fe85b212ecd 100644
--- a/chrome/chrome_tests.gypi
+++ b/chrome/chrome_tests.gypi
@@ -394,6 +394,8 @@
         '<(SHARED_INTERMEDIATE_DIR)/chrome/test/chromedriver/chrome/user_data_dir.h',
         '<(SHARED_INTERMEDIATE_DIR)/chrome/test/chromedriver/chrome/embedded_automation_extension.cc',
         '<(SHARED_INTERMEDIATE_DIR)/chrome/test/chromedriver/chrome/embedded_automation_extension.h',
+        '<(SHARED_INTERMEDIATE_DIR)/chrome/test/chromedriver/chrome/mobile_device_list.cc',
+        '<(SHARED_INTERMEDIATE_DIR)/chrome/test/chromedriver/chrome/mobile_device_list.h',
         'test/chromedriver/chrome/adb.h',
         'test/chromedriver/chrome/adb_impl.cc',
         'test/chromedriver/chrome/adb_impl.h',
@@ -417,6 +419,8 @@
         'test/chromedriver/chrome/debugger_tracker.h',
         'test/chromedriver/chrome/device_manager.cc',
         'test/chromedriver/chrome/device_manager.h',
+        'test/chromedriver/chrome/device_metrics.cc',
+        'test/chromedriver/chrome/device_metrics.h',
         'test/chromedriver/chrome/devtools_client.h',
         'test/chromedriver/chrome/devtools_client_impl.cc',
         'test/chromedriver/chrome/devtools_client_impl.h',
@@ -437,6 +441,10 @@
         'test/chromedriver/chrome/javascript_dialog_manager.h',
         'test/chromedriver/chrome/log.h',
         'test/chromedriver/chrome/log.cc',
+        'test/chromedriver/chrome/mobile_device.cc',
+        'test/chromedriver/chrome/mobile_device.h',
+        'test/chromedriver/chrome/mobile_emulation_override_manager.cc',
+        'test/chromedriver/chrome/mobile_emulation_override_manager.h',
         'test/chromedriver/chrome/navigation_tracker.cc',
         'test/chromedriver/chrome/navigation_tracker.h',
         'test/chromedriver/chrome/performance_logger.h',
@@ -542,6 +550,25 @@
           ],
           'message': 'Generating sources for embedding automation extension',
         },
+        {
+          'action_name': 'embed_mobile_devices_in_cpp',
+          'inputs': [
+            'test/chromedriver/cpp_source.py',
+            'test/chromedriver/embed_mobile_devices_in_cpp.py',
+            '../third_party/WebKit/Source/devtools/front_end/elements/OverridesView.js',
+          ],
+          'outputs': [
+            '<(SHARED_INTERMEDIATE_DIR)/chrome/test/chromedriver/chrome/mobile_device_list.cc',
+            '<(SHARED_INTERMEDIATE_DIR)/chrome/test/chromedriver/chrome/mobile_device_list.h',
+          ],
+          'action': [ 'python',
+                      'test/chromedriver/embed_mobile_devices_in_cpp.py',
+                      '--directory',
+                      '<(SHARED_INTERMEDIATE_DIR)/chrome/test/chromedriver/chrome',
+                      '../third_party/WebKit/Source/devtools/front_end/elements/OverridesView.js',
+          ],
+          'message': 'Generating sources for embedding mobile devices in chromedriver',
+        },
       ],
       # TODO(jschuh): crbug.com/167187 fix size_t to int truncations.
       'msvs_disabled_warnings': [ 4267, ],
@@ -691,6 +718,7 @@
         'test/chromedriver/chrome/geolocation_override_manager_unittest.cc',
         'test/chromedriver/chrome/heap_snapshot_taker_unittest.cc',
         'test/chromedriver/chrome/javascript_dialog_manager_unittest.cc',
+        'test/chromedriver/chrome/mobile_emulation_override_manager_unittest.cc',
         'test/chromedriver/chrome/navigation_tracker_unittest.cc',
         'test/chromedriver/chrome/performance_logger_unittest.cc',
         'test/chromedriver/chrome/status_unittest.cc',