content/ui[Android]: Remove ContextProviderFactory.

tools/metrics/histograms/histograms.xml

Index: tools/metrics/histograms/histograms.xml
diff --git a/tools/metrics/histograms/histograms.xml b/tools/metrics/histograms/histograms.xml
index 616abde71e0a7d4efbecf5e45630c57ab9be3401..944eb3e3a275c77094ce1c948db55585491c7a40 100644
--- a/tools/metrics/histograms/histograms.xml
+++ b/tools/metrics/histograms/histograms.xml
@@ -112576,9 +112576,17 @@ value.
   <suffix name="WebGL" label="A WebGL GPU command buffer context"/>
   <suffix name="Media" label="The media worker command buffer context"/>
   <suffix name="BlimpRenderCompositor"
-      label="BlimpCompositor compositor command buffer context"/>
+      label="BlimpCompositor compositor command buffer context">

[Khushal, 2017/02/13 21:07:13]

+asvitkine, does this look correct now?

+    <obsolete>
+      Deprecated and removed from code as of 02/2017.
+    </obsolete>
+  </suffix>
   <suffix name="BlimpRenderWorker"
-      label="BlimpCompositor worker command buffer context"/>
+      label="BlimpCompositor worker command buffer context">
+    <obsolete>
+      Deprecated and removed from code as of 02/2017.
+    </obsolete>
+  </suffix>
   <affected-histogram name="GPU.ContextLost"/>
 </histogram_suffixes>