Revert "Workaround Adreno driver issue with stencil clears."

This reverts commit 4e8c581f2aa911bf49f97a246cc26134da292a8c.

Reason for revert: breaks Google3 roll

Original change's description:
> Workaround Adreno driver issue with stencil clears.
> 
> This also removes the "debug wire rect" which was not used and not implemented for Vulkan.
> 
> Also some declared but not implemented methods are removed from GrGLGpu.
> 
> Bug: skia:5587
> 
> Change-Id: I750051e90e6cfbfad6a6fe20792226182f698bcf
> Reviewed-on: https://skia-review.googlesource.com/18639
> Reviewed-by: Chris Dalton <csmartdalton@google.com>
> Commit-Queue: Brian Salomon <bsalomon@google.com>

TBR=bsalomon@google.com,csmartdalton@google.com
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: skia:5587

Change-Id: I65aa16b3f8c70cdef56ff16e16304ba09604c475
Reviewed-on: https://skia-review.googlesource.com/18924
Reviewed-by: Mike Klein <mtklein@google.com>
Commit-Queue: Mike Klein <mtklein@google.com>

1 files changed, 0 insertions, 2 deletions

diff --git a/src/gpu/gl/GrGLCaps.cpp b/src/gpu/gl/GrGLCaps.cpp
index 44d25299ae..c672cb9a59 100644
--- a/src/gpu/gl/GrGLCaps.cpp
+++ b/src/gpu/gl/GrGLCaps.cpp
@@ -55,7 +55,6 @@ GrGLCaps::GrGLCaps(const GrContextOptions& contextOptions,
     fClearToBoundaryValuesIsBroken = false;
     fClearTextureSupport = false;
     fDrawArraysBaseVertexIsBroken = false;
-    fUseDrawToClearStencilClip = false;
 
     fBlitFramebufferFlags = kNoSupport_BlitFramebufferFlag;
 
@@ -512,7 +511,6 @@ void GrGLCaps::init(const GrContextOptions& contextOptions,
 
     if (kAdreno4xx_GrGLRenderer == ctxInfo.renderer()) {
         fUseDrawInsteadOfPartialRenderTargetWrite = true;
-        fUseDrawToClearStencilClip = true;
     }
 
     // Texture uploads sometimes seem to be ignored to textures bound to FBOS on Tegra3.