[Remoting Android] Remove Cardboard Code

remoting/android/java/src/org/chromium/chromoting/cardboard/ShaderHelper.java

-// 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.
-
-package org.chromium.chromoting.cardboard;
-
-import android.opengl.GLES20;
-
-import org.chromium.base.Log;
-
-/**
- * Helper class for working with OpenGL shaders and programs.
- */
-public class ShaderHelper {
-    private static final String TAG = "Cardboard";
-
-    /**
-     * Compile a shader.
-     *
-     * @param shaderType The shader type.
-     * @param shaderSource The shader source code.
-     * @return An OpenGL handle to the shader.
-     */
-    public static int compileShader(int shaderType, String shaderSource) {
-        int shaderHandle = GLES20.glCreateShader(shaderType);
-
-        if (shaderHandle != 0) {
-            // Pass in the shader source.
-            GLES20.glShaderSource(shaderHandle, shaderSource);
-
-            // Compile the shader.
-            GLES20.glCompileShader(shaderHandle);
-
-            // Get the compilation status.
-            int[] compileStatus = new int[1];
-            GLES20.glGetShaderiv(shaderHandle, GLES20.GL_COMPILE_STATUS, compileStatus, 0);
-
-            // If the compilation failed, delete the shader.
-            if (compileStatus[0] == 0) {
-                Log.e(TAG, "Error compiling shader: %s", GLES20.glGetShaderInfoLog(shaderHandle));
-                GLES20.glDeleteShader(shaderHandle);
-                shaderHandle = 0;
-            }
-        }
-
-        if (shaderHandle == 0) {
-            // TODO(shichengfeng): Handle Exception gracefully.
-            throw new RuntimeException("Error creating shader.");
-        }
-
-        return shaderHandle;
-    }
-
-    /**
-     * Compile and link a program.
-     *
-     * @param vertexShaderHandle An OpenGL handle to an already-compiled vertex shader.
-     * @param fragmentShaderHandle An OpenGL handle to an already-compiled fragment shader.
-     * @param attributes Attributes that need to be bound to the program.
-     * @return An OpenGL handle to the program.
-     */
-    public static int createAndLinkProgram(int vertexShaderHandle,
-            int fragmentShaderHandle, String[] attributes) {
-        int programHandle = GLES20.glCreateProgram();
-
-        if (programHandle != 0) {
-            // Bind the vertex shader to the program.
-            GLES20.glAttachShader(programHandle, vertexShaderHandle);
-
-            // Bind the fragment shader to the program.
-            GLES20.glAttachShader(programHandle, fragmentShaderHandle);
-
-            // Bind attributes
-            if (attributes != null) {
-                int size = attributes.length;
-                for (int i = 0; i < size; i++) {
-                    GLES20.glBindAttribLocation(programHandle, i, attributes[i]);
-                }
-            }
-
-            // Link the two shaders together into a program.
-            GLES20.glLinkProgram(programHandle);
-
-            // Get the link status.
-            int[] linkStatus = new int[1];
-            GLES20.glGetProgramiv(programHandle, GLES20.GL_LINK_STATUS, linkStatus, 0);
-
-            // If the link failed, delete the program.
-            if (linkStatus[0] == 0) {
-                Log.e(TAG, "Error compiling program: %s",
-                        GLES20.glGetProgramInfoLog(programHandle));
-                GLES20.glDeleteProgram(programHandle);
-                programHandle = 0;
-            }
-        }
-
-        if (programHandle == 0) {
-            // TODO(shichengfeng): Handle Exception gracefully.
-            throw new RuntimeException("Error creating program.");
-        }
-
-        return programHandle;
-    }
-}