Move more files into the content namespace.

content/browser/renderer_host/compositing_iosurface_mac.mm

 // Copyright (c) 2012 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 "content/browser/renderer_host/compositing_iosurface_mac.h"
 
 #include <OpenGL/OpenGL.h>
 #include <vector>
 
 #include "base/command_line.h"
@@ skipping 10 matching lines @@
 #define CHECK_GL_ERROR()
 #else
 #define CHECK_GL_ERROR() do {                                           \
     GLenum gl_error = glGetError();                                     \
     LOG_IF(ERROR, gl_error != GL_NO_ERROR) << "GL Error :" << gl_error; \
   } while (0)
 #endif
 
 #define SHADER_STRING_GLSL(shader) #shader
 
+namespace content {
 namespace {
 
 static const char* g_vertex_shader_blit_rgb = SHADER_STRING_GLSL(
     varying vec2 texture_coordinate;
     void main() {
       gl_Position = gl_ModelViewProjectionMatrix * gl_Vertex;
       texture_coordinate = vec2(gl_MultiTexCoord0);
     });
 
 static const char* g_fragment_shader_blit_rgb = SHADER_STRING_GLSL(
@@ skipping 417 matching lines @@
 }
 
 void CompositingIOSurfaceMac::GlobalFrameDidChange() {
   [glContext_ update];
 }
 
 void CompositingIOSurfaceMac::ClearDrawable() {
   [glContext_ clearDrawable];
   UnrefIOSurface();
 }
+
+}  // namespace content