Revert "Remove drawTextBlob from device use drawGlyphRunList"

This reverts commit e2e52e46ca63540d429656baeee48fd3a402be26.

Reason for revert: See if this is blocking the Chrome roll

Original change's description:
> Remove drawTextBlob from device use drawGlyphRunList
> 
> Convert all backends to use GlyphRunList instead of
> text blobs. If the device did not originally implement
> drawTextBlob it will be simulated by drawPosText on the
> device.
> 
> Other changes:
> Change to using an origin from absolulte positioning. The GPU
> code uses origin change to update blobs under translation.
> 
> Change cluster to use const uint32_t instead of just
> uint32_t.
> 
> Add SkPaint to runs.
> 
> The draw filter is hosted up to the canavas level and applied there.
> 
> Change-Id: Ib105b6bd26b67db55f1c954e37c79fbdcaa9d4a2
> Reviewed-on: https://skia-review.googlesource.com/137224
> Reviewed-by: Herb Derby <herb@google.com>
> Reviewed-by: Khusal Sagar <khushalsagar@chromium.org>
> Reviewed-by: Hal Canary <halcanary@google.com>
> Reviewed-by: Jim Van Verth <jvanverth@google.com>
> Commit-Queue: Herb Derby <herb@google.com>

TBR=jvanverth@google.com,halcanary@google.com,bungeman@google.com,herb@google.com,reed@google.com,khushalsagar@chromium.org,khushalsagar@google.com

Change-Id: I4d93a534990c89deee7d3aaa00ec40d47e0d2ece
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://skia-review.googlesource.com/138120
Reviewed-by: Robert Phillips <robertphillips@google.com>
Commit-Queue: Robert Phillips <robertphillips@google.com>

1 files changed, 0 insertions, 2 deletions

diff --git a/include/core/SkTextBlob.h b/include/core/SkTextBlob.h
index 9f4f10f2e4..59151d3002 100644
--- a/include/core/SkTextBlob.h
+++ b/include/core/SkTextBlob.h
@@ -14,7 +14,6 @@
 #include "SkString.h"
 #include "SkRefCnt.h"
 
-class SkGlyphRunList;
 class SkReadBuffer;
 class SkWriteBuffer;
 
@@ -111,7 +110,6 @@ private:
         fCacheID.store(cacheID);
     }
 
-    friend class SkGlyphRunList;
     friend class GrTextBlobCache;
     friend class SkTextBlobBuilder;
     friend class SkTextBlobRunIterator;