ccpr: Use SkMessageBus for thread-safe eviction of cache entries

Bug: skia:
Change-Id: I87725b95761deb689333315ce681a4968d98190a
Reviewed-on: https://skia-review.googlesource.com/c/163511
Reviewed-by: Brian Salomon <bsalomon@google.com>
Commit-Queue: Chris Dalton <csmartdalton@google.com>
diff --git a/src/gpu/GrResourceCache.h b/src/gpu/GrResourceCache.h
index 1d3598e..16accbb 100644
--- a/src/gpu/GrResourceCache.h
+++ b/src/gpu/GrResourceCache.h
@@ -27,12 +27,14 @@
 struct GrGpuResourceFreedMessage {
     GrGpuResource* fResource;
     uint32_t fOwningUniqueID;
-    bool shouldSend(uint32_t inboxID) const {
-        // The inbox's ID is the unique ID of the owning GrContext.
-        return inboxID == fOwningUniqueID;
-    }
 };
 
+static inline bool SkShouldPostMessageToBus(
+        const GrGpuResourceFreedMessage& msg, uint32_t msgBusUniqueID) {
+    // The inbox's ID is the unique ID of the owning GrContext.
+    return msgBusUniqueID == msg.fOwningUniqueID;
+}
+
 /**
  * Manages the lifetime of all GrGpuResource instances.
  *