Adding MacBook Pro accelerometer support.

chrome/chrome_browser.gypi

Index: chrome/chrome_browser.gypi
diff --git a/chrome/chrome_browser.gypi b/chrome/chrome_browser.gypi
index 5f84a904b5b4ab49491fd472ab269e37018273ad..cbfa08492beb891073e66210680c15de81491574 100644
--- a/chrome/chrome_browser.gypi
+++ b/chrome/chrome_browser.gypi
@@ -1131,6 +1131,8 @@
         'browser/default_encoding_combo_model.h',
         'browser/defaults.cc',
         'browser/defaults.h',
+        'browser/device_orientation/accelerometer_mac.cc',
+        'browser/device_orientation/accelerometer_mac.h',
         'browser/device_orientation/data_fetcher.h',
         'browser/device_orientation/dispatcher_host.cc',
         'browser/device_orientation/dispatcher_host.h',
@@ -3248,9 +3250,10 @@
           'link_settings': {
             'libraries': [
               '$(SDKROOT)/System/Library/Frameworks/AddressBook.framework',
-              '$(SDKROOT)/System/Library/Frameworks/SecurityInterface.framework',
-              '$(SDKROOT)/System/Library/Frameworks/QuartzCore.framework',
+              '$(SDKROOT)/System/Library/Frameworks/IOKit.framework',
               '$(SDKROOT)/System/Library/Frameworks/OpenGL.framework',
+              '$(SDKROOT)/System/Library/Frameworks/QuartzCore.framework',
+              '$(SDKROOT)/System/Library/Frameworks/SecurityInterface.framework',
             ],
             'mac_bundle_resources': [
               'browser/nacl_loader.sb',