CL for perf tryjob on android

content/child/blink_platform_impl.h

Index: content/child/blink_platform_impl.h
diff --git a/content/child/blink_platform_impl.h b/content/child/blink_platform_impl.h
index 953b438d1ff0bac88bb9013d101286c620083141..03c17100baa3b7ec32034b9fce63eb8f4a39f482 100644
--- a/content/child/blink_platform_impl.h
+++ b/content/child/blink_platform_impl.h
@@ -115,11 +115,15 @@ class CONTENT_EXPORT BlinkPlatformImpl
                              int sample,
                              int min,
                              int max,
-                             int bucket_count) override;
+                             int bucket_count,
+                             HistogramCacheSlot* cache_slot) override;
   void histogramEnumeration(const char* name,
                             int sample,
-                            int boundary_value) override;
-  void histogramSparse(const char* name, int sample) override;
+                            int boundary_value,
+                            HistogramCacheSlot* cache_slot) override;
+  void histogramSparse(const char* name,
+                       int sample,
+                       HistogramCacheSlot* cache_slot) override;
   void registerMemoryDumpProvider(blink::WebMemoryDumpProvider* wmdp,
                                   const char* name) override;
   void unregisterMemoryDumpProvider(