Build ChromeVox using gyp.

chrome/third_party/chromevox/chromevox.gyp

Index: chrome/third_party/chromevox/chromevox.gyp
diff --git a/chrome/third_party/chromevox/chromevox.gyp b/chrome/third_party/chromevox/chromevox.gyp
index 9c2c1731f73f683b7f06fd9b0534f70887616486..83ecc4f3b63899da1f426d1431500ba4bdbfae66 100644
--- a/chrome/third_party/chromevox/chromevox.gyp
+++ b/chrome/third_party/chromevox/chromevox.gyp
@@ -10,15 +10,6 @@
           'target_name': 'chromevox_third_party_resources',
           'type': 'none',
           'copies': [
-            {
-              'destination': '<(PRODUCT_DIR)/resources/chromeos/chromevox',
-              'files': [
-                'chromeVoxChromeBackgroundScript.js',
-                'chromeVoxChromeOptionsScript.js',
-                'chromeVoxChromePageScript.js',
-                'chromeVoxKbExplorerScript.js',
-              ],
-            },
             # TODO(plundblad): Some of these css files are forks of
             # cs from Chrome's web ui.  Consider consolidating those.
             {
@@ -37,18 +28,27 @@
               ],
             },
             {
-              'destination': '<(PRODUCT_DIR)/resources/chromeos/chromevox/closure',
-              'files': [
-                'third_party/closure-library/closure/goog/base.js',
-              ],
-            },
-            {
               'destination': '<(PRODUCT_DIR)/resources/chromeos/chromevox/',
               'files': [
                 '_locales/',
               ],
             },
           ],
+          'conditions': [
+            ['use_migrated_chromevox==0', {
+              'copies': [
+                {
+                  'destination': '<(PRODUCT_DIR)/resources/chromeos/chromevox',
+                  'files': [
+                    'chromeVoxChromeBackgroundScript.js',
+                    'chromeVoxChromeOptionsScript.js',
+                    'chromeVoxChromePageScript.js',
+                    'chromeVoxKbExplorerScript.js',
+                  ],
+                },
+              ],
+            }],
+          ],
         },
       ],
     }],