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

src/gpu/gl/GrGLProgram.cpp

 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "GrGLProgram.h"
 
 #include "GrAllocator.h"
@@ skipping 254 matching lines @@
                     GL_CALL(VertexAttrib4fv(header.fColorAttributeIndex, c));
                     sharedState->fConstAttribColor = color;
                     sharedState->fConstAttribColorIndex = header.fColorAttributeIndex;
                 }
                 break;
             case GrGLProgramDesc::kUniform_ColorInput:
                 if (fColor != color && fUniformHandles.fColorUni.isValid()) {
                     // OpenGL ES doesn't support unsigned byte varieties of glUniform
                     GrGLfloat c[4];
                     GrColorToRGBAFloat(color, c);
-                    fUniformManager.set4fv(fUniformHandles.fColorUni, 0, 1, c);
+                    fUniformManager.set4fv(fUniformHandles.fColorUni, 1, c);
                     fColor = color;
                 }
                 sharedState->fConstAttribColorIndex = -1;
                 break;
             case GrGLProgramDesc::kSolidWhite_ColorInput:
             case GrGLProgramDesc::kTransBlack_ColorInput:
                 sharedState->fConstAttribColorIndex = -1;
                 break;
             default:
                 GrCrash("Unknown color type.");
@@ skipping 18 matching lines @@
                     GL_CALL(VertexAttrib4fv(header.fCoverageAttributeIndex, c));
                     sharedState->fConstAttribCoverage = coverage;
                     sharedState->fConstAttribCoverageIndex = header.fCoverageAttributeIndex;
                 }
                 break;
             case GrGLProgramDesc::kUniform_ColorInput:
                 if (fCoverage != coverage) {
                     // OpenGL ES doesn't support unsigned byte varieties of glUniform
                     GrGLfloat c[4];
                     GrColorToRGBAFloat(coverage, c);
-                    fUniformManager.set4fv(fUniformHandles.fCoverageUni, 0, 1, c);
+                    fUniformManager.set4fv(fUniformHandles.fCoverageUni, 1, c);
                     fCoverage = coverage;
                 }
                 sharedState->fConstAttribCoverageIndex = -1;
                 break;
             case GrGLProgramDesc::kSolidWhite_ColorInput:
             case GrGLProgramDesc::kTransBlack_ColorInput:
                 sharedState->fConstAttribCoverageIndex = -1;
                 break;
             default:
                 GrCrash("Unknown coverage type.");
@@ skipping 24 matching lines @@
 
         fMatrixState.fViewMatrix = drawState.getViewMatrix();
         fMatrixState.fRenderTargetSize = size;
         fMatrixState.fRenderTargetOrigin = rt->origin();
 
         GrGLfloat viewMatrix[3 * 3];
         fMatrixState.getGLMatrix<3>(viewMatrix);
         fUniformManager.setMatrix3f(fUniformHandles.fViewMatrixUni, viewMatrix);
     }
 }