Remove remaining traces of CreateGpuMemoryBufferImageCHROMIUM

gpu/command_buffer/tests/gl_iosurface_readback_workaround_unittest.cc

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef GL_GLEXT_PROTOTYPES
 #define GL_GLEXT_PROTOTYPES
 #endif
 
 #include <GLES2/gl2.h>
 #include <GLES2/gl2ext.h>
@@ skipping 33 matching lines @@
 
 TEST_F(GLIOSurfaceReadbackWorkaroundTest, ReadPixels) {
   int width = 1;
   int height = 1;
   GLuint source_texture = 0;
   GLenum source_target = GL_TEXTURE_RECTANGLE_ARB;
   glGenTextures(1, &source_texture);
   glBindTexture(source_target, source_texture);
   glTexParameteri(source_target, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
   glTexParameteri(source_target, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
-  GLuint image_id = glCreateGpuMemoryBufferImageCHROMIUM(
-      width, height, GL_RGBA, GL_READ_WRITE_CHROMIUM);
+  std::unique_ptr<gfx::GpuMemoryBuffer> buffer(gl_.CreateGpuMemoryBuffer(
+      gfx::Size(width, height), gfx::BufferFormat::RGBA_8888));
+  GLuint image_id =
+      glCreateImageCHROMIUM(buffer->AsClientBuffer(), width, height, GL_RGBA);
   ASSERT_NE(0u, image_id);
   glBindTexImage2DCHROMIUM(source_target, image_id);
 
   GLuint framebuffer = 0;
   glGenFramebuffers(1, &framebuffer);
   glBindFramebuffer(GL_FRAMEBUFFER, framebuffer);
   glFramebufferTexture2D(
       GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, source_target, source_texture, 0);
   EXPECT_EQ(static_cast<GLenum>(GL_FRAMEBUFFER_COMPLETE),
             glCheckFramebufferStatus(GL_FRAMEBUFFER));
@@ skipping 12 matching lines @@
 
   glReleaseTexImage2DCHROMIUM(source_target, image_id);
   glDestroyImageCHROMIUM(image_id);
   glDeleteTextures(1, &source_texture);
   glDeleteFramebuffers(1, &framebuffer);
 }
 
 #endif  // defined(OS_MACOSX)
 
 }  // namespace gpu