cc: Add DISALLOW_COPY_AND_ASSIGN where appropriate.

cc/output/shader.cc

 // Copyright 2011 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.
 
 #include "cc/output/shader.h"
 
 #include "base/basictypes.h"
 #include "base/logging.h"
 #include "third_party/WebKit/Source/Platform/chromium/public/WebGraphicsContext3D.h"
 
@@ skipping 427 matching lines @@
                              arraysize(shader_uniforms),
                              arraysize(locations),
                              locations,
                              using_bind_uniform,
                              base_uniform_index);
 
   sampler_location_ = locations[0];
   DCHECK(sampler_location_ != -1);
 }
 
+FragmentShaderOESImageExternal::FragmentShaderOESImageExternal()
+    : sampler_location_(-1) {}
+
 bool FragmentShaderOESImageExternal::Init(WebGraphicsContext3D* context,
                                           unsigned program,
                                           bool using_bind_uniform,
                                           int* base_uniform_index) {
   static const char* shader_uniforms[] = {
     "s_texture",
   };
   int locations[1];
 
   GetProgramUniformLocations(context,
@@ skipping 589 matching lines @@
       vec2 texCoord = clamp(v_texCoord, 0.0, 1.0) * texTransform.zw +
           texTransform.xy;
       vec2 coord = mod(floor(texCoord * frequency * 2.0), 2.0);
       float picker = abs(coord.x - coord.y);
       gl_FragColor = mix(color1, color2, picker) * alpha;
     }
   );
 }
 
 }  // namespace cc