linux: enable pepper_test_plugin

build/all.gyp

Index: build/all.gyp
diff --git a/build/all.gyp b/build/all.gyp
index fc19cd2755de3cd40045bd011f48fd9ca194bcaa..26220c14d4e4ad64b9b7f8c85e0c00ac706cca84 100644
--- a/build/all.gyp
+++ b/build/all.gyp
@@ -35,6 +35,7 @@
         '../third_party/sqlite/sqlite.gyp:*',
         '../third_party/WebKit/WebKit/chromium/WebKit.gyp:*',
         '../third_party/zlib/zlib.gyp:*',
+        '../webkit/tools/pepper_test_plugin/pepper_test_plugin.gyp:*',
         '../webkit/tools/test_shell/test_shell.gyp:*',
         '../webkit/webkit.gyp:*',
         'util/build_util.gyp:*',
@@ -59,7 +60,6 @@
         ['OS=="mac"', {
           'dependencies': [
             '../third_party/ocmock/ocmock.gyp:*',
-            '../webkit/tools/pepper_test_plugin/pepper_test_plugin.gyp:*',
           ],
         }],
         ['OS=="linux"', {
@@ -105,9 +105,6 @@
             '../third_party/cld/cld.gyp:*',
             '../third_party/gles2_book/gles2_book.gyp:*',
             '../tools/memory_watcher/memory_watcher.gyp:*',
-            # As of now, build machines do not have GL headers to compile this
-            # TODO(sehr,brettw, neb): Make this unconditional.
-            '../webkit/tools/pepper_test_plugin/pepper_test_plugin.gyp:*',
           ],
         }, {
           'dependencies': [