Added support for Chrome's gpu command buffer extension BindUniformLocation.

src/gpu/gl/GrGLShaderBuilder.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 "gl/GrGLShaderBuilder.h"
 #include "gl/GrGLProgram.h"
 #include "gl/GrGLUniformHandle.h"
@@ skipping 570 matching lines @@
     if (!programId) {
         return false;
     }
 
     if (!this->compileAndAttachShaders(programId)) {
         GL_CALL(DeleteProgram(programId));
         return false;
     }
 
     this->bindProgramLocations(programId);
+    if (fUniformManager.isUsingBindUniform()) {
+      fUniformManager.getUniformLocations(programId, fUniforms);
+    }
 
     GL_CALL(LinkProgram(programId));
 
     // Calling GetProgramiv is expensive in Chromium. Assume success in release builds.
     bool checkLinked = !fGpu->ctxInfo().isChromium();
 #ifdef SK_DEBUG
     checkLinked = true;
 #endif
     if (checkLinked) {
         GrGLint linked = GR_GL_INIT_ZERO;
@@ skipping 11 matching lines @@
                                           &length,
                                           (char*)log.get()));
                 GrPrintf((char*)log.get());
             }
             SkDEBUGFAIL("Error linking program");
             GL_CALL(DeleteProgram(programId));
             return false;
         }
     }
 
-    fUniformManager.getUniformLocations(programId, fUniforms);
+    if (!fUniformManager.isUsingBindUniform()) {
+      fUniformManager.getUniformLocations(programId, fUniforms);
+    }
     *outProgramId = programId;
     return true;
 }
 
 // Compiles a GL shader, attaches it to a program, and releases the shader's reference.
 // (That way there's no need to hang on to the GL shader id and delete it later.)
 static bool attach_shader(const GrGLContext& glCtx,
                           GrGLuint programId,
                           GrGLenum type,
                           const SkString& shaderSrc) {
@@ skipping 339 matching lines @@
         GrGLSLExpr4* inOutFSColor) {
 
     GrGLTexGenProgramEffectsBuilder texGenEffectsBuilder(this, effectCnt);
     this->INHERITED::createAndEmitEffects(&texGenEffectsBuilder,
                                           effectStages,
                                           effectKeys,
                                           effectCnt,
                                           inOutFSColor);
     return texGenEffectsBuilder.finish();
 }