Remove a duplicate declaration

src/gpu/gl/GrGLCaps.cpp

 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 
 #include "GrGLCaps.h"
 
@@ skipping 1263 matching lines @@
         return false;
     }
     *internalFormat = fConfigTable[config].fFormats.fInternalFormatRenderbuffer;
     return true;
 }
 
 bool GrGLCaps::getExternalFormat(GrPixelConfig surfaceConfig, GrPixelConfig memoryConfig,
                                  ExternalFormatUsage usage, GrGLenum* externalFormat,
                                  GrGLenum* externalType) const {
     SkASSERT(externalFormat && externalType);
-    if (GrPixelConfigIsCompressed(memoryConfig) || GrPixelConfigIsCompressed(memoryConfig)) {
+    if (GrPixelConfigIsCompressed(memoryConfig)) {
         return false;
     }
 
     bool surfaceIsAlphaOnly = GrPixelConfigIsAlphaOnly(surfaceConfig);
     bool memoryIsAlphaOnly = GrPixelConfigIsAlphaOnly(memoryConfig);
 
     // We don't currently support moving RGBA data into and out of ALPHA surfaces. It could be
     // made to work in many cases using glPixelStore and what not but is not needed currently.
     if (surfaceIsAlphaOnly && !memoryIsAlphaOnly) {
         return false;
@@ skipping 654 matching lines @@
 void GrGLCaps::onApplyOptionsOverrides(const GrContextOptions& options) {
     if (options.fEnableInstancedRendering) {
         fInstancedSupport = gr_instanced::GLInstancedRendering::CheckSupport(*this);
 #ifndef SK_BUILD_FOR_MAC
         // OS X doesn't seem to write correctly to floating point textures when using
         // glDraw*Indirect, regardless of the underlying GPU.
         fAvoidInstancedDrawsToFPTargets = true;
 #endif
     }
 }