Fix PurgeAndSuspend.MemoryGrowth.* UMA.

content/renderer/render_thread_impl.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/renderer/render_thread_impl.h"
 
 #include <algorithm>
 #include <limits>
 #include <map>
 #include <utility>
@@ skipping 1807 matching lines @@
   RendererMemoryMetrics memory_metrics;
   GetRendererMemoryMetrics(&memory_metrics);
   UMA_HISTOGRAM_MEMORY_KB(
       "PurgeAndSuspend.Experimental.MemoryGrowth.PartitionAllocKB",
       GET_MEMORY_GROWTH(memory_metrics, purge_and_suspend_memory_metrics_,
                         partition_alloc_kb));
   UMA_HISTOGRAM_MEMORY_KB(
       "PurgeAndSuspend.Experimental.MemoryGrowth.BlinkGCKB",
       GET_MEMORY_GROWTH(memory_metrics, purge_and_suspend_memory_metrics_,
                         blink_gc_kb));
-  UMA_HISTOGRAM_MEMORY_MB(
+  UMA_HISTOGRAM_MEMORY_KB(
       "PurgeAndSuspend.Experimental.MemoryGrowth.MallocKB",
       GET_MEMORY_GROWTH(memory_metrics, purge_and_suspend_memory_metrics_,
                         malloc_mb) * 1024);
   UMA_HISTOGRAM_MEMORY_KB(
       "PurgeAndSuspend.Experimental.MemoryGrowth.DiscardableKB",
       GET_MEMORY_GROWTH(memory_metrics, purge_and_suspend_memory_metrics_,
                         discardable_kb));
-  UMA_HISTOGRAM_MEMORY_MB(
+  UMA_HISTOGRAM_MEMORY_KB(
       "PurgeAndSuspend.Experimental.MemoryGrowth.V8MainThreadIsolateKB",
       GET_MEMORY_GROWTH(memory_metrics, purge_and_suspend_memory_metrics_,
                         v8_main_thread_isolate_mb) * 1024);
-  UMA_HISTOGRAM_MEMORY_MB(
+  UMA_HISTOGRAM_MEMORY_KB(
       "PurgeAndSuspend.Experimental.MemoryGrowth.TotalAllocatedKB",
       GET_MEMORY_GROWTH(memory_metrics, purge_and_suspend_memory_metrics_,
                         total_allocated_mb) * 1024);
 }
 
 void RenderThreadImpl::OnProcessResume() {
   ChildThreadImpl::OnProcessResume();
 
   if (!RendererIsHidden())
     return;
@@ skipping 587 matching lines @@
   }
 }
 
 void RenderThreadImpl::OnRendererInterfaceRequest(
     mojom::RendererAssociatedRequest request) {
   DCHECK(!renderer_binding_.is_bound());
   renderer_binding_.Bind(std::move(request));
 }
 
 }  // namespace content