Revert 55766 - Enable -fPIC by default on x64...

gpu/demos/demos.gyp

Index: gpu/demos/demos.gyp
===================================================================
--- gpu/demos/demos.gyp	(revision 55834)
+++ gpu/demos/demos.gyp	(working copy)
@@ -6,10 +6,15 @@
   'variables': {
     'chromium_code': 1,
     'conditions': [
-      ['OS=="linux" and (target_arch=="x64" or target_arch=="arm")', {
+      # Pepper demos that are compiled as shared libraries need to be compiled
+      # with -fPIC flag. All static libraries that these demos depend on must
+      # also be compiled with -fPIC flag. Setting GYP_DEFINES="linux_fpic=1"
+      # compiles everything with -fPIC. Disable pepper demos on linux/x64
+      # unless linux_fpic is 1.
+      ['OS=="linux" and (target_arch=="x64" or target_arch=="arm") and linux_fpic!=1', {
+        'enable_pepper_demos%': 0,
+      }, {
         'enable_pepper_demos%': 1,
-      }, {
-        'enable_pepper_demos%': 0,
       }],
     ],
   },