Rename setVisibility to setVisibilityCHROMIUM and expose as GL_CHROIMIUM_set_visibility extension.

content/renderer/gpu/webgraphicscontext3d_command_buffer_impl.cc

 // Copyright (c) 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.
 
 #if defined(ENABLE_GPU)
 
 #include "content/renderer/gpu/webgraphicscontext3d_command_buffer_impl.h"
 
 #include "gpu/GLES2/gl2.h"
 #ifndef GL_GLEXT_PROTOTYPES
@@ skipping 284 matching lines @@
   cached_width_ = width;
   cached_height_ = height;
 
   gl_->ResizeCHROMIUM(width, height);
 
 #ifdef FLIP_FRAMEBUFFER_VERTICALLY
   scanline_.reset(new uint8[width * 4]);
 #endif  // FLIP_FRAMEBUFFER_VERTICALLY
 }
 
-void WebGraphicsContext3DCommandBufferImpl::setVisibility(bool visible) {
-  gl_->Flush();
-  context_->SetSurfaceVisible(visible);
-}
-
 #ifdef FLIP_FRAMEBUFFER_VERTICALLY
 void WebGraphicsContext3DCommandBufferImpl::FlipVertically(
     uint8* framebuffer,
     unsigned int width,
     unsigned int height) {
   uint8* scanline = scanline_.get();
   if (!scanline)
     return;
   unsigned int row_bytes = width * 4;
   unsigned int count = height / 2;
@@ skipping 93 matching lines @@
     WGC3Denum access) {
   return gl_->MapTexSubImage2DCHROMIUM(
       target, level, xoffset, yoffset, width, height, format, type, access);
 }
 
 void WebGraphicsContext3DCommandBufferImpl::unmapTexSubImage2DCHROMIUM(
     const void* mem) {
   gl_->UnmapTexSubImage2DCHROMIUM(mem);
 }
 
+void WebGraphicsContext3DCommandBufferImpl::setVisibilityCHROMIUM(
+    bool visible) {
+  gl_->Flush();
+  context_->SetSurfaceVisible(visible);
+}
+
 void WebGraphicsContext3DCommandBufferImpl::copyTextureToParentTextureCHROMIUM(
     WebGLId texture, WebGLId parentTexture) {
   NOTIMPLEMENTED();
 }
 
 void WebGraphicsContext3DCommandBufferImpl::
     rateLimitOffscreenContextCHROMIUM() {
   gl_->RateLimitOffscreenContextCHROMIUM();
 }
 
@@ skipping 712 matching lines @@
   if (context_lost_callback_) {
     context_lost_callback_->onContextLost();
   }
   RenderViewImpl* renderview =
       web_view_ ? RenderViewImpl::FromWebView(web_view_) : NULL;
   if (renderview)
     renderview->OnViewContextSwapBuffersAborted();
 }
 
 #endif  // defined(ENABLE_GPU)