Make NativePixmap unittests use TEXTURE_EXTERNAL_OES.

ui/gl/test/gl_image_test_template.h

 // Copyright 2015 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.
 
 // This file defines tests that implementations of GLImage should pass in order
 // to be conformant.
 
 #ifndef UI_GL_TEST_GL_IMAGE_TEST_TEMPLATE_H_
 #define UI_GL_TEST_GL_IMAGE_TEST_TEMPLATE_H_
 
@@ skipping 49 matching lines @@
                              "#define SamplerType sampler2D\n"
                              "#define TextureLookup texture2D\n"
                              "#define TextureScale vec2(1.0, 1.0)\n"
                              "%s",
                              is_gles ? kShaderFloatPrecision : "",
                              kFragmentShader)
               .c_str());
     case GL_TEXTURE_RECTANGLE_ARB:
       return GLHelper::LoadShader(
           GL_FRAGMENT_SHADER,
-          base::StringPrintf("%s\n"
-                             "#extension GL_ARB_texture_rectangle : require\n"
+          base::StringPrintf("#extension GL_ARB_texture_rectangle : require\n"
+                             "%s\n"
                              "#define SamplerType sampler2DRect\n"
                              "#define TextureLookup texture2DRect\n"
                              "#define TextureScale vec2(%f, %f)\n"
                              "%s",
                              is_gles ? kShaderFloatPrecision : "",
                              static_cast<double>(size.width()),
                              static_cast<double>(size.height()),
                              kFragmentShader)
               .c_str());
+    case GL_TEXTURE_EXTERNAL_OES:
+      return GLHelper::LoadShader(
+          GL_FRAGMENT_SHADER,
+          base::StringPrintf("#extension GL_OES_EGL_image_external : require\n"
+                             "%s\n"
+                             "#define SamplerType samplerExternalOES\n"
+                             "#define TextureLookup texture2D\n"
+                             "#define TextureScale vec2(1.0, 1.0)\n"
+                             "%s",
+                             is_gles ? kShaderFloatPrecision : "",
+                             kFragmentShader)
+              .c_str());
     default:
       NOTREACHED();
       return 0;
   }
 }
 
 // Draws texture bound to |target| of texture unit 0 to the currently bound
 // frame buffer.
 void DrawTextureQuad(GLenum target, const gfx::Size& size) {
   // clang-format off
@@ skipping 239 matching lines @@
   image->Destroy(true /* have_context */);
 }
 
 // The GLImageCopyTest test case verifies that the GLImage implementation
 // handles CopyTexImage correctly.
 REGISTER_TYPED_TEST_CASE_P(GLImageCopyTest, CopyTexImage);
 
 }  // namespace gl
 
 #endif  // UI_GL_TEST_GL_IMAGE_TEST_TEMPLATE_H_