Add onMemoryDump to GrContext

src/gpu/GrResourceCache.cpp

Index: src/gpu/GrResourceCache.cpp
diff --git a/src/gpu/GrResourceCache.cpp b/src/gpu/GrResourceCache.cpp
index e77d9acd62ff37f0fd0eb1b05b1250da3d35a920..c6c2eee0d0bed3ba1269609a26d16c317c523306 100644
--- a/src/gpu/GrResourceCache.cpp
+++ b/src/gpu/GrResourceCache.cpp
@@ -564,7 +564,7 @@ uint32_t GrResourceCache::getNextTimestamp() {
             int currP = 0;
             int currNP = 0;
             while (currP < sortedPurgeableResources.count() &&
-                   currNP < fNonpurgeableResources.count()) {                
+                   currNP < fNonpurgeableResources.count()) {
                 uint32_t tsP = sortedPurgeableResources[currP]->cacheAccess().timestamp();
                 uint32_t tsNP = fNonpurgeableResources[currNP]->cacheAccess().timestamp();
                 SkASSERT(tsP != tsNP);
@@ -596,10 +596,10 @@ uint32_t GrResourceCache::getNextTimestamp() {
 
             // count should be the next timestamp we return.
             SkASSERT(fTimestamp == SkToU32(count));
-            
+
             // The historical timestamps of flushes are now invalid.
             this->resetFlushTimestamps();
-        }        
+        }
     }
     return fTimestamp++;
 }
@@ -616,6 +616,15 @@ void GrResourceCache::notifyFlushOccurred() {
     }
 }
 
+void GrResourceCache::dumpMemoryStatistics(SkTraceMemoryDump* traceMemoryDump) const {
+    for (int i = 0; i < fNonpurgeableResources.count(); ++i) {
+        fNonpurgeableResources[i]->dumpMemoryStatistics(traceMemoryDump);
+    }
+    for (int i = 0; i < fPurgeableQueue.count(); ++i) {
+        fPurgeableQueue.at(i)->dumpMemoryStatistics(traceMemoryDump);
+    }
+}
+
 #ifdef SK_DEBUG
 void GrResourceCache::validate() const {
     // Reduce the frequency of validations for large resource counts.