diff --git a/cc/base/histograms.h b/cc/base/histograms.h
index a4c0c58cc90ee3..16e059c4d43021 100644
--- a/cc/base/histograms.h
+++ b/cc/base/histograms.h
@@ -64,8 +64,9 @@ const char* GetClientNameForMetrics();
       /* runtime constant. */                                               \
       UMA_HISTOGRAM_COUNTS(base::StringPrintf(time_histogram, client_name), \
                            time_sample);                                    \
-      UMA_HISTOGRAM_COUNTS(base::StringPrintf(area_histogram, client_name), \
-                           area_sample);                                    \
+      UMA_HISTOGRAM_CUSTOM_COUNTS(                                          \
+          base::StringPrintf(area_histogram, client_name), area_sample, 1,  \
+          100000000, 50);                                                   \
     }                                                                       \
   }
 
diff --git a/cc/tiles/tile_manager.cc b/cc/tiles/tile_manager.cc
index 9429510793ed31..09ff39814eb6ab 100644
--- a/cc/tiles/tile_manager.cc
+++ b/cc/tiles/tile_manager.cc
@@ -43,17 +43,17 @@ const bool kUseColorEstimator = true;
 DEFINE_SCOPED_UMA_HISTOGRAM_AREA_TIMER(
     ScopedGeneralRasterTaskTimer,
     "Compositing.%s.RasterTask.RasterUs",
-    "Compositing.%s.RasterTask.RasterPixelsPerMs");
+    "Compositing.%s.RasterTask.RasterPixelsPerMs2");
 
 DEFINE_SCOPED_UMA_HISTOGRAM_AREA_TIMER(
     ScopedSoftwareRasterTaskTimer,
     "Compositing.%s.RasterTask.RasterUs.Software",
-    "Compositing.%s.RasterTask.RasterPixelsPerMs.Software");
+    "Compositing.%s.RasterTask.RasterPixelsPerMs2.Software");
 
 DEFINE_SCOPED_UMA_HISTOGRAM_AREA_TIMER(
     ScopedGpuRasterTaskTimer,
     "Compositing.%s.RasterTask.RasterUs.Gpu",
-    "Compositing.%s.RasterTask.RasterPixelsPerMs.Gpu");
+    "Compositing.%s.RasterTask.RasterPixelsPerMs2.Gpu");
 
 class ScopedRasterTaskTimer {
  public:
diff --git a/tools/metrics/histograms/histograms.xml b/tools/metrics/histograms/histograms.xml
index 9f7d5143b5f3dd..4b31d9c38efbed 100644
--- a/tools/metrics/histograms/histograms.xml
+++ b/tools/metrics/histograms/histograms.xml
@@ -6619,6 +6619,20 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.
 
 <histogram name="Compositing.Browser.RasterTask.RasterPixelsPerMs"
     units="pixels/ms">
+  <obsolete>
+    Deprecated 11/2016. Increased the max tracking range to accomendate GPU
+    raster, and will require new baskets.
+  </obsolete>
+  <owner>paint-dev@chromium.org</owner>
+  <summary>
+    Rasterized area, in pixels, divided by rasterization time, in milliseconds,
+    of a compositor rasterization task. Recorded after the task finishes (in a
+    browser process).
+  </summary>
+</histogram>
+
+<histogram name="Compositing.Browser.RasterTask.RasterPixelsPerMs2"
+    units="pixels/ms">
   <owner>paint-dev@chromium.org</owner>
   <summary>
     Rasterized area, in pixels, divided by rasterization time, in milliseconds,
@@ -6870,6 +6884,20 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.
 
 <histogram name="Compositing.Renderer.RasterTask.RasterPixelsPerMs"
     units="pixels/ms">
+  <obsolete>
+    Deprecated 11/2016. Increased the max tracking range to accomendate GPU
+    raster, and will require new baskets.
+  </obsolete>
+  <owner>paint-dev@chromium.org</owner>
+  <summary>
+    Rasterized area, in pixels, divided by rasterization time, in milliseconds,
+    of a compositor rasterization task. Recorded after the task finishes (in a
+    renderer process).
+  </summary>
+</histogram>
+
+<histogram name="Compositing.Renderer.RasterTask.RasterPixelsPerMs2"
+    units="pixels/ms">
   <owner>paint-dev@chromium.org</owner>
   <summary>
     Rasterized area, in pixels, divided by rasterization time, in milliseconds,
@@ -111961,8 +111989,11 @@ value.
   <suffix name="Gpu" label="This metric is for only gpu raster."/>
   <suffix name="Software" label="This metric is for only software raster."/>
   <affected-histogram name="Compositing.Browser.RasterTask.RasterPixelsPerMs"/>
+  <affected-histogram name="Compositing.Browser.RasterTask.RasterPixelsPerMs2"/>
   <affected-histogram name="Compositing.Browser.RasterTask.RasterUs"/>
   <affected-histogram name="Compositing.Renderer.RasterTask.RasterPixelsPerMs"/>
+  <affected-histogram
+      name="Compositing.Renderer.RasterTask.RasterPixelsPerMs2"/>
   <affected-histogram name="Compositing.Renderer.RasterTask.RasterUs"/>
   <affected-histogram name="Renderer4.ImageDecodeTaskDurationUs"/>
 </histogram_suffixes>