Remove NPAPI from browser and utility

chrome/browser/performance_monitor/process_metrics_history.cc

Index: chrome/browser/performance_monitor/process_metrics_history.cc
diff --git a/chrome/browser/performance_monitor/process_metrics_history.cc b/chrome/browser/performance_monitor/process_metrics_history.cc
index 3cd35ab714e3f8aef6120cc2e3ca778fe71f5fe3..2456aa95767b4aa28d8ab6ba62f64e009b4ddec1 100644
--- a/chrome/browser/performance_monitor/process_metrics_history.cc
+++ b/chrome/browser/performance_monitor/process_metrics_history.cc
@@ -115,13 +115,6 @@ void ProcessMetricsHistory::RunPerformanceTriggers() {
                               true);
       }
       break;
-    case content::PROCESS_TYPE_PLUGIN:
-      UMA_HISTOGRAM_CUSTOM_COUNTS("PerformanceMonitor.AverageCPU.PluginProcess",
-                                  cpu_usage_, kHistogramMin, kHistogramMax,
-                                  kHistogramBucketCount);
-      if (cpu_usage_ > kHighCPUUtilizationThreshold)
-        UMA_HISTOGRAM_BOOLEAN("PerformanceMonitor.HighCPU.PluginProcess", true);
-      break;
     case content::PROCESS_TYPE_GPU:
       UMA_HISTOGRAM_CUSTOM_COUNTS("PerformanceMonitor.AverageCPU.GPUProcess",
                                   cpu_usage_, kHistogramMin, kHistogramMax,