Revert of Reland "By default purge resources that haven't been used for 64 flushes (patchset #5 id:80001 of h… (patchset #1 id:1 of https://codereview.chromium.org/1428053003/ )

Reason for revert:
Breaking the DEPS roller - again

Original issue's description:
> Reland "By default purge resources that haven't been used for 64 flushes (patchset #5 id:80001 of https://codereview.chromium.org/1316233003/ )"
>
> TBR=robertphillips@google.com
>
> Committed: https://skia.googlesource.com/skia/+/f7de08a52b5287cb16b2e89a8e3691676a4dbe5f

TBR=robertphillips@google.com
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true

Review URL: https://codereview.chromium.org/1414693007
diff --git a/src/gpu/GrResourceCache.h b/src/gpu/GrResourceCache.h
index 3220ba5..2412174 100644
--- a/src/gpu/GrResourceCache.h
+++ b/src/gpu/GrResourceCache.h
@@ -58,8 +58,9 @@
     static const size_t kDefaultMaxSize             = 96 * (1 << 20);
     // Default number of flushes a budgeted resources can go unused in the cache before it is
     // purged. Large values disable the feature (as the ring buffer of flush timestamps would be
-    // large).
-    static const int    kDefaultMaxUnusedFlushes    = 64;
+    // large). This is currently the default until we decide to enable this feature
+    // of the cache by default.
+    static const int    kDefaultMaxUnusedFlushes    = 1024;
 
     /** Used to access functionality needed by GrGpuResource for lifetime management. */
     class ResourceAccess;