add textblob cache freeall

src/gpu/GrContext.cpp

Index: src/gpu/GrContext.cpp
diff --git a/src/gpu/GrContext.cpp b/src/gpu/GrContext.cpp
index 7d53071a0e79ace0ef7357a059d250c168ef954a..93799e0a2cc4db82a8423cfc3ddfee281df330e1 100755
--- a/src/gpu/GrContext.cpp
+++ b/src/gpu/GrContext.cpp
@@ -193,6 +193,7 @@ void GrContext::abandonContext() {
     fBatchFontCache->freeAll();
     fFontCache->freeAll();
     fLayerCache->freeAll();
+    fTextBlobCache->freeAll();
 }
 
 void GrContext::resetContext(uint32_t state) {
@@ -212,6 +213,7 @@ void GrContext::freeGpuResources() {
     fBatchFontCache->freeAll();
     fFontCache->freeAll();
     fLayerCache->freeAll();
+    fTextBlobCache->freeAll();

[bsalomon, 2015/04/16 18:06:11]

actually not sure we need this here. This function frees GPU memory. Does the
text blob cache own anything actually on the GPU?

[joshualitt, 2015/04/16 18:08:30]

nope, good catch.

     // a path renderer may be holding onto resources
     SkSafeSetNull(fPathRendererChain);
     SkSafeSetNull(fSoftwarePathRenderer);