Add empty implementation of GetSystemMemoryInfo for IOS.

base/process/process_metrics_ios.cc

Index: base/process/process_metrics_ios.cc
diff --git a/base/process/process_metrics_ios.cc b/base/process/process_metrics_ios.cc
index 07f2c8de1d46ff41ed88214b0ac624f94f5eb0d9..b959be0960d576f7f210d5dcc28a99da356228a4 100644
--- a/base/process/process_metrics_ios.cc
+++ b/base/process/process_metrics_ios.cc
@@ -23,6 +23,11 @@ bool GetTaskInfo(task_basic_info_64* task_info_data) {
 
 }  // namespace
 
+SystemMemoryInfoKB::SystemMemoryInfoKB() {
+  total = 0;
+  free = 0;
+}
+
 ProcessMetrics::ProcessMetrics(ProcessHandle process) {}
 
 ProcessMetrics::~ProcessMetrics() {}
@@ -82,4 +87,10 @@ size_t GetSystemCommitCharge() {
   return 0;
 }
 
+// Bytes committed by the system.
+bool GetSystemMemoryInfo(SystemMemoryInfoKB* meminfo) {
+  // Unimplemented. Must enable unittest for IOS when this gets implemented.

[Lei Zhang, 2015/08/10 18:42:31]

Add NOTIMPLEMENTED() ?

[Georges Khalil, 2015/08/10 18:49:35]

Done.

+  return false;
+}
+
 }  // namespace base