Remove the option of disabling explicit resource allocation

We're burning our boats behind us. Succeed or die trying!

Change-Id: I6a9f71b758a6ae7b090c5221ab12a5ab4d166b47
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/209647
Commit-Queue: Robert Phillips <robertphillips@google.com>
Reviewed-by: Brian Salomon <bsalomon@google.com>
diff --git a/src/gpu/GrRecordingContext.cpp b/src/gpu/GrRecordingContext.cpp
index 7adb948..7b1a1c0 100644
--- a/src/gpu/GrRecordingContext.cpp
+++ b/src/gpu/GrRecordingContext.cpp
@@ -64,7 +64,7 @@
     return true;
 }
 
-void GrRecordingContext::setupDrawingManager(bool explicitlyAllocate, bool sortOpLists) {
+void GrRecordingContext::setupDrawingManager(bool sortOpLists) {
     GrPathRendererChain::Options prcOptions;
     prcOptions.fAllowPathMaskCaching = this->options().fAllowPathMaskCaching;
 #if GR_TEST_UTILS
@@ -100,11 +100,10 @@
     // DDL contexts/drawing managers. We should still obey the options for non-DDL drawing managers
     // until predictive intermediate flushes are added (i.e., we can't reorder forever).
     fDrawingManager.reset(new GrDrawingManager(this,
-                                                prcOptions,
-                                                textContextOptions,
-                                                explicitlyAllocate,
-                                                sortOpLists,
-                                                this->options().fReduceOpListSplitting));
+                                               prcOptions,
+                                               textContextOptions,
+                                               sortOpLists,
+                                               this->options().fReduceOpListSplitting));
 }
 
 void GrRecordingContext::abandonContext() {