[tracing] Add support for skia caches to dump memory stats

src/core/SkGraphics.cpp

Index: src/core/SkGraphics.cpp
diff --git a/src/core/SkGraphics.cpp b/src/core/SkGraphics.cpp
index f8d8b09db404d5f9626e7b6066bcc26368da495d..e9dcadc180d279c2afcfadcf311b02e6d986eec0 100644
--- a/src/core/SkGraphics.cpp
+++ b/src/core/SkGraphics.cpp
@@ -12,6 +12,7 @@
 #include "SkBlitter.h"
 #include "SkCanvas.h"
 #include "SkGeometry.h"
+#include "SkGlyphCache.h"
 #include "SkMath.h"
 #include "SkMatrix.h"
 #include "SkOpts.h"
@@ -19,6 +20,7 @@
 #include "SkPathEffect.h"
 #include "SkPixelRef.h"
 #include "SkRefCnt.h"
+#include "SkResourceCache.h"
 #include "SkRTConf.h"
 #include "SkScalerContext.h"
 #include "SkShader.h"
@@ -64,6 +66,13 @@ void SkGraphics::Term() {
 
 ///////////////////////////////////////////////////////////////////////////////
 
+void SkGraphics::DumpMemoryStatistics(SkTraceMemoryDump* dump) {
+  SkResourceCache::DumpMemoryStatistics(dump);
+  SkGlyphCache::DumpMemoryStatistics(dump);
+}
+
+///////////////////////////////////////////////////////////////////////////////
+
 static const char kFontCacheLimitStr[] = "font-cache-limit";
 static const size_t kFontCacheLimitLen = sizeof(kFontCacheLimitStr) - 1;