Implement /proc/self/maps/ parsing code.

base/base.gyp

Index: base/base.gyp
diff --git a/base/base.gyp b/base/base.gyp
index 9010bcc7c67d190f9581bb34311cc30c168cab8d..78f16903ba8582813c698b5a8015d73d32e27e10 100644
--- a/base/base.gyp
+++ b/base/base.gyp
@@ -471,6 +471,7 @@
         'cpu_unittest.cc',
         'debug/crash_logging_unittest.cc',
         'debug/leak_tracker_unittest.cc',
+        'debug/proc_maps_linux_unittest.cc',
         'debug/stack_trace_unittest.cc',
         'debug/trace_event_unittest.cc',
         'debug/trace_event_unittest.h',
@@ -825,6 +826,11 @@
             ['include', '^sys_string_conversions_mac_unittest\\.mm$'],
           ],
         }],
+        ['OS == "android"', {
+          'sources/': [
+            ['include', '^debug/proc_maps_linux_unittest\\.cc$'],
+          ],
+        }],
       ],  # target_conditions
     },
     {