Linux: about:memory

(based on http://code.google.com/p/chromium/issues/detail?id=16251)

Add about:memory support to Linux. Rather than try and copy the
Windows output, we use a couple of metrics which make more sense on
Linux: USS and PSS.

http://codereview.chromium.org/177024


git-svn-id: svn://svn.chromium.org/chrome/trunk/src@24979 0039d316-1c4b-4281-b951-d872f2087c98
diff --git a/chrome/common/child_process_info.cc b/chrome/common/child_process_info.cc
index 770c9866..f6cb8ed 100644
--- a/chrome/common/child_process_info.cc
+++ b/chrome/common/child_process_info.cc
@@ -48,6 +48,10 @@
       return L"Web Worker";
     case UTILITY_PROCESS:
       return L"Utility";
+    case ZYGOTE_PROCESS:
+      return L"Zygote";
+    case SANDBOX_HELPER_PROCESS:
+      return L"Sandbox helper";
     case UNKNOWN_PROCESS:
       default:
       DCHECK(false) << "Unknown child process type!";