components/metrics: Add runtime memory leak detector

build/common.gypi

Index: build/common.gypi
diff --git a/build/common.gypi b/build/common.gypi
index 60591d323a193a7b7e19bfc5adcce2fe2afd0ba0..9310588080e6387064e54ad9314e853659c68959 100644
--- a/build/common.gypi
+++ b/build/common.gypi
@@ -1399,6 +1399,9 @@
     # Profile without optimizing out stack frames when profiling==1.
     'profiling_full_stack_frames%': '0',
 
+    # Enable runtime memory leak detector.
+    'enable_leak_detector%': 0,
+
     # And if we want to dump symbols for Breakpad-enabled builds.
     'linux_dump_symbols%': 0,
     # And if we want to strip the binary after dumping symbols.
@@ -2760,6 +2763,12 @@
       ['profiling==1', {
         'defines': ['ENABLE_PROFILING=1'],
       }],
+      ['enable_leak_detector==1 and chromeos==1', {
+        'defines': ['ENABLE_LEAK_DETECTOR=1'],
+      }],
+      ['remoting==1', {
+        'defines': ['ENABLE_REMOTING=1'],

[Will Harris, 2015/09/26 05:09:06]

driveby: this looks like a confused rebase?

[Simon Que, 2015/09/26 21:48:33]

Done.

+      }],
       ['enable_webrtc==1', {
         'defines': ['ENABLE_WEBRTC=1'],
       }],
@@ -3893,6 +3902,11 @@
                   'release_optimize%': 's',
                 },
               }],
+              ['enable_leak_detector==1 and chromeos==1', {
+                'cflags': [
+                  '-fno-omit-frame-pointer',
+                ],
+              }],
               ['profiling==1', {
                 'cflags': [
                   '-fno-omit-frame-pointer',