[Command Buffer] emulate SRGB color format for BlitFramebuffer in OpenGL

gpu/command_buffer/service/gles2_cmd_copy_tex_image.cc

Index: gpu/command_buffer/service/gles2_cmd_copy_tex_image.cc
diff --git a/gpu/command_buffer/service/gles2_cmd_copy_tex_image.cc b/gpu/command_buffer/service/gles2_cmd_copy_tex_image.cc
index ad4ef205318dcd57f05b9b7785f6f099b58d9436..db5a0d2d6a160798647153cb80b4a446f4f73285 100644
--- a/gpu/command_buffer/service/gles2_cmd_copy_tex_image.cc
+++ b/gpu/command_buffer/service/gles2_cmd_copy_tex_image.cc
@@ -41,7 +41,7 @@ void CopyTexImageResourceManager::Initialize(
 
   blit_program_ = glCreateProgram();
 
-  // Compile the fragment shader
+  // Compile the vertex shader
   const char* vs_source =
       "#version 150\n"
       "out vec2 v_texcoord;\n"
@@ -69,7 +69,7 @@ void CopyTexImageResourceManager::Initialize(
   glAttachShader(blit_program_, vs);
   glDeleteShader(vs);
 
-  // Compile the vertex shader
+  // Compile the fragment shader
   const char* fs_source =
       "#version 150\n"
       "uniform sampler2D u_source_texture;\n"