detach -> release

The C++ standard library uses the name "release" for the operation we call "detach".

Rewriting each "detach(" to "release(" brings us a step closer to using standard library types directly (e.g. std::unique_ptr instead of SkAutoTDelete).

This was a fairly blind transformation.  There may have been unintentional conversions in here, but it's probably for the best to have everything uniformly say "release".

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1809733002

Review URL: https://codereview.chromium.org/1809733002
diff --git a/src/core/SkResourceCache.cpp b/src/core/SkResourceCache.cpp
index 5e6fe68..fa3cb9d 100644
--- a/src/core/SkResourceCache.cpp
+++ b/src/core/SkResourceCache.cpp
@@ -279,7 +279,7 @@
     size_t used = rec->bytesUsed();
     SkASSERT(used <= fTotalBytesUsed);
 
-    this->detach(rec);
+    this->release(rec);
     fHash->remove(rec->getKey());
 
     fTotalBytesUsed -= used;
@@ -395,7 +395,7 @@
 
 ///////////////////////////////////////////////////////////////////////////////
 
-void SkResourceCache::detach(Rec* rec) {
+void SkResourceCache::release(Rec* rec) {
     Rec* prev = rec->fPrev;
     Rec* next = rec->fNext;
 
@@ -425,7 +425,7 @@
 
     this->validate();
 
-    this->detach(rec);
+    this->release(rec);
 
     fHead->fPrev = rec;
     rec->fNext = fHead;