Implement chrome.brailleDisplayPrivate API

build/linux/system.gyp

Index: build/linux/system.gyp
diff --git a/build/linux/system.gyp b/build/linux/system.gyp
index 1db278f2841263367ef895f3fc9f92259621e07e..5f5ba797e3bb8f1a074344ed8a1044b244b5f49f 100644
--- a/build/linux/system.gyp
+++ b/build/linux/system.gyp
@@ -15,6 +15,7 @@
     'linux_link_libgps%': 0,
     'linux_link_libpci%': 0,
     'linux_link_libspeechd%': 0,
+    'linux_link_libbrlapi%': 0,
   },
   'conditions': [
     [ 'os_posix==1 and OS!="mac"', {
@@ -539,6 +540,69 @@
       ],
     },
     {
+      'target_name': 'libbrlapi',
+      'type': 'static_library',
+      'dependencies': [
+        '../../base/base.gyp:base',
+      ],
+      'direct_dependent_settings': {
+        'include_dirs': [
+          '<(SHARED_INTERMEDIATE_DIR)',
+        ],
+        'conditions': [
+          ['linux_link_libbrlapi==1', {
+            'link_settings': {
+              'libraries': [
+                '-lbrlapi',
+              ],
+            }
+          }],
+        ],
+      },
+      'hard_dependency': 1,
+      'actions': [
+        {
+          'variables': {
+            'output_h': '<(SHARED_INTERMEDIATE_DIR)/library_loaders/libbrlapi.h',
+            'output_cc': '<(INTERMEDIATE_DIR)/libbrlapi_loader.cc',
+            'generator': '../../tools/generate_library_loader/generate_library_loader.py',
+          },
+          'action_name': 'generate_brlapi_loader',
+          'inputs': [
+            '<(generator)',
+          ],
+          'outputs': [
+            '<(output_h)',
+            '<(output_cc)',
+          ],
+          'action': ['python',
+                     '<(generator)',
+                     '--name', 'LibBrlApiLoader',
+                     '--output-h', '<(output_h)',
+                     '--output-cc', '<(output_cc)',
+                     '--header', '<brlapi.h>',
+                     '--link-directly=<(linux_link_libbrlapi)',
+                     'brlapi_getHandleSize',
+                     'brlapi_error_location',
+                     'brlapi_expandKeyCode',
+                     'brlapi_strerror',
+                     'brlapi__acceptKeys',
+                     'brlapi__openConnection',
+                     'brlapi__closeConnection',
+                     'brlapi__getDisplaySize',
+                     'brlapi__enterTtyModeWithPath',
+                     'brlapi__leaveTtyMode',
+                     # TODO: 'brlapi__writeWText',
+                     'brlapi__writeDots',
+                     'brlapi__writeText',
+                     'brlapi__readKey',
+          ],
+          'message': 'Generating libbrlapi library loader.',
+          'process_outputs_as_sources': 1,
+        },
+      ],
+    },
+    {
       'target_name': 'x11',
       'type': 'none',
       'toolsets': ['host', 'target'],