Bug 1256626: P1. Add NotifyBenchmarkResult ipc methods. r=jimm

This will be used to save video benchmark results. For now only VP9 is handled.

MozReview-Commit-ID: 4aIWQKoGWVQ

--HG--
extra : rebase_source : 72272b507078f30f1d231c1d4756b2ff67c176cc

dom/ipc/ContentParent.cpp

@@ -269,6 +269,9 @@ using namespace mozilla::system;
 
 #include "VRManagerParent.h"            // for VRManagerParent
 
+// For VP9Benchmark::sBenchmarkFpsPref
+#include "Benchmark.h"
+
 static NS_DEFINE_CID(kCClipboardCID, NS_CLIPBOARD_CID);
 
 #if defined(XP_WIN)
@@ -5711,6 +5714,17 @@ ContentParent::RecvGetAndroidSystemInfo(AndroidSystemInfo* aInfo)
 #endif
 }
 
+bool
+ContentParent::RecvNotifyBenchmarkResult(const nsString& aCodecName,
+                                         const uint32_t& aDecodeFPS)
+
+{
+  if (aCodecName.EqualsLiteral("VP9")) {
+    Preferences::SetUint(VP9Benchmark::sBenchmarkFpsPref, aDecodeFPS);
+  }
+  return true;
+}
+
 void
 ContentParent::StartProfiler(nsIProfilerStartParams* aParams)
 {

dom/ipc/ContentParent.h

@@ -1092,6 +1092,9 @@ private:
 
   virtual bool RecvGetAndroidSystemInfo(AndroidSystemInfo* aInfo) override;
 
+  virtual bool RecvNotifyBenchmarkResult(const nsString& aCodecName,
+                                         const uint32_t& aDecodeFPS) override;
+
   // If you add strong pointers to cycle collected objects here, be sure to
   // release these objects in ShutDownProcess.  See the comment there for more
   // details.

dom/ipc/PContent.ipdl

@@ -1197,6 +1197,13 @@ parent:
     sync UngrabPointer(uint32_t time);
 
     sync RemovePermission(Principal principal, nsCString permissionType) returns (nsresult rv);
+
+    /**
+     * Tell the parent that a decoder's' benchmark has been completed.
+     * The result can then be stored in permanent storage.
+     */
+    async NotifyBenchmarkResult(nsString aCodecName, uint32_t aDecodeFPS);
+
 both:
      async AsyncMessage(nsString aMessage, ClonedMessageData aData,
                         CpowEntry[] aCpows, Principal aPrincipal);