Create GPUMetricsProvider.

chrome/browser/metrics/metrics_services_manager.cc

Index: chrome/browser/metrics/metrics_services_manager.cc
diff --git a/chrome/browser/metrics/metrics_services_manager.cc b/chrome/browser/metrics/metrics_services_manager.cc
index 002f18383235aebe6ef0c5202704345f570b54c1..24c3b7a4c9cf95fc0f57b33d6a74bd662b2663b6 100644
--- a/chrome/browser/metrics/metrics_services_manager.cc
+++ b/chrome/browser/metrics/metrics_services_manager.cc
@@ -4,6 +4,7 @@
 
 #include "chrome/browser/metrics/metrics_services_manager.h"
 
+#include "chrome/browser/metrics/gpu_metrics_provider.h"
 #include "chrome/browser/metrics/metrics_service.h"
 #include "chrome/browser/metrics/metrics_state_manager.h"
 #include "chrome/browser/metrics/variations/variations_service.h"
@@ -19,8 +20,14 @@ MetricsServicesManager::~MetricsServicesManager() {
 
 MetricsService* MetricsServicesManager::GetMetricsService() {
   DCHECK(thread_checker_.CalledOnValidThread());
-  if (!metrics_service_)
+  if (!metrics_service_) {
     metrics_service_.reset(new MetricsService(GetMetricsStateManager()));
+
+    // TODO(asvitkine): Move the registration of the metrics providers into
+    // ChromeMetricsServiceClient. crbug.com/375248
+    metrics_service_->RegisterDataProvider(
+        scoped_ptr<metrics::MetricsDataProvider>(new GPUMetricsProvider()));

[Ilya Sherman, 2014/05/20 14:40:27]

nit: "MetricsDataProvider" -> "MetricsProvider"

[blundell, 2014/05/20 14:59:11]

I'm going to rebase this once Alexei's patch lands...for now I'm based off the
old version of his patch.

On 2014/05/20 14:40:27, Ilya Sherman wrote:

+  }
   return metrics_service_.get();
 }