gpu: Add YCbCr 420v extension.

ui/gl/test/gl_test_helper.h

Index: ui/gl/test/gl_test_helper.h
diff --git a/ui/gl/test/gl_test_helper.h b/ui/gl/test/gl_test_helper.h
index f566525cb25cf6d35b9de951ac3d7185100716c5..a3401169794670bf85337fea893db0f3a3fd9ba8 100644
--- a/ui/gl/test/gl_test_helper.h
+++ b/ui/gl/test/gl_test_helper.h
@@ -16,22 +16,6 @@ class GLTestHelper {
   // Does not check for errors, always returns texture.
   static GLuint CreateTexture(GLenum target);
 
-  // Compiles a shader.
-  // Does not check for errors, always returns shader.
-  static GLuint CompileShader(GLenum type, const char* src);
-
-  // Compiles a shader and checks for compilation errors.
-  // Returns shader, 0 on failure.
-  static GLuint LoadShader(GLenum type, const char* src);
-
-  // Attaches 2 shaders and links them to a program.
-  // Does not check for errors, always returns program.
-  static GLuint LinkProgram(GLuint vertex_shader, GLuint fragment_shader);
-
-  // Attaches 2 shaders, links them to a program, and checks for errors.
-  // Returns program, 0 on failure.
-  static GLuint SetupProgram(GLuint vertex_shader, GLuint fragment_shader);
-
   // Creates a framebuffer, attaches a color buffer, and checks for errors.
   // Returns framebuffer, 0 on failure.
   static GLuint SetupFramebuffer(int width, int height);