make it possible to disable libflac and libspeex in content

content/content_browser.gypi

Index: content/content_browser.gypi
diff --git a/content/content_browser.gypi b/content/content_browser.gypi
index ad13958d82c11348b1735140f4f91b9c0f5e0792..bdd666dd0fc41ff50ea4b1a0214d85adbf8c2bfd 100644
--- a/content/content_browser.gypi
+++ b/content/content_browser.gypi
@@ -3,6 +3,9 @@
 # found in the LICENSE file.
 
 {
+  'enable_libflac%': 1,
+  'enable_libspeex%': 1,
+
   'dependencies': [
     'browser/speech/proto/speech_proto.gyp:speech_proto',
     '../base/base.gyp:base_static',
@@ -1177,9 +1180,16 @@
         'browser/tracing/tracing_ui.cc',
         'browser/tracing/tracing_ui.h',
       ],
-    }, { # OS!="android"
+      'enable_libflac%': 0,

[Paweł Hajdan Jr., 2013/04/03 23:53:10]

This does not look like valid gyp code for me (it's outside of variables).

+      'enable_libspeex%': 0,
+    }],
+    ['enable_libflac==1', {

[Paweł Hajdan Jr., 2013/04/03 23:53:10]

This won't work correctly either - I don't see anything that would change the
_actual_ dependency - this code only changes the _declared_ dependency.

       'dependencies': [
         '../third_party/flac/flac.gyp:libflac',
+      ],
+    }],
+    ['enable_libspeex==1', {
+      'dependencies': [
         '../third_party/speex/speex.gyp:libspeex',
       ],
     }],