Removed old code related to unimplemented GL_CHROMIUM_copy_texture_to…

…_parent_texture and GL_CHROMIUM_latch.

Not sure how I missed these first time around...
Review URL: http://codereview.chromium.org/8481014

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@109164 0039d316-1c4b-4281-b951-d872f2087c98

gpu/GLES2/gl2ext.h

@@ -1233,19 +1233,6 @@ typedef void* (GL_APIENTRYP PFNGLMAPTEXSUBIMAGE2DCHROMIUM) (GLenum target, GLint
 typedef void  (GL_APIENTRYP PFNGLUNMAPTEXSUBIMAGE2DCHROMIUM) (const void* mem);
 #endif
 
-/* GL_CHROMIUM_copy_texture_to_parent_texture */
-#ifndef GL_CHROMIUM_copy_texture_to_parent_texture
-#define GL_CHROMIUM_copy_texture_to_parent_texture 1
-#ifdef GL_GLEXT_PROTOTYPES
-#define glCopyTextureToParentTextureCHROMIUM GLES2_GET_FUN(CopyTextureToParentTextureCHROMIUM)
-#if !defined(GLES2_USE_CPP_BINDINGS)
-GL_APICALL void GL_APIENTRY glCopyTextureToParentTextureCHROMIUM (GLuint id, GLuint id2);
-#endif
-#else
-typedef void (GL_APIENTRYP PFNGLCOPYTEXTURETOPARENTTEXTURECHROMIUM) (GLuint id, GLuint id2);
-#endif
-#endif
-
 /* GL_CHROMIUM_resize */
 #ifndef GL_CHROMIUM_resize
 #define GL_CHROMIUM_resize 1
@@ -1287,27 +1274,6 @@ typedef void (GL_APIENTRYP PFNGLREQUESTEXTENSIONCHROMIUM) (const GLchar *extensi
 #endif
 #endif
 
-/* GL_CHROMIUM_latch */
-/*
- * This extension is similar in spirit to GL_NV_fence except
- * that GL_CHROMIUM_latch does not require resources to be shared
- * and it does not require glFlush semantics to work.
- */
-#ifndef GL_CHROMIUM_latch
-#define GL_CHROMIUM_latch 1
-#ifdef GL_GLEXT_PROTOTYPES
-#define glSetLatchCHROMIUM  GLES2_GET_FUN(SetLatchCHROMIUM)
-#define glWaitLatchCHROMIUM GLES2_GET_FUN(WaitLatchCHROMIUM)
-#if !defined(GLES2_USE_CPP_BINDINGS)
-GL_APICALL void GL_APIENTRY glSetLatchCHROMIUM (GLuint latch_id);
-GL_APICALL void GL_APIENTRY glWaitLatchCHROMIUM (GLuint latch_id);
-#endif
-#else
-typedef void (GL_APIENTRYP PFNGLSETLATCHCHROMIUM) (GLuint latch_id);
-typedef void (GL_APIENTRYP PFNGLWaitLATCHCHROMIUM) (GLuint latch_id);
-#endif
-#endif
-
 /* GL_CHROMIUM_rate_limit_offscreen_context */
 /*
  * This extension will block if the calling context has gotten more than two

webkit/gpu/webgraphicscontext3d_in_process_impl.cc

@@ -62,7 +62,6 @@ WebGraphicsContext3DInProcessImpl::WebGraphicsContext3DInProcessImpl(
       multisample_color_buffer_(0),
       bound_fbo_(0),
       bound_texture_(0),
-      copy_texture_to_parent_texture_fbo_(0),
 #ifdef FLIP_FRAMEBUFFER_VERTICALLY
       scanline_(0),
 #endif
@@ -88,7 +87,6 @@ WebGraphicsContext3DInProcessImpl::~WebGraphicsContext3DInProcessImpl() {
       glDeleteRenderbuffersEXT(1, &depth_stencil_buffer_);
   }
   glDeleteTextures(1, &texture_);
-  glDeleteFramebuffersEXT(1, &copy_texture_to_parent_texture_fbo_);
 #ifdef FLIP_FRAMEBUFFER_VERTICALLY
   if (scanline_)
     delete[] scanline_;
@@ -234,8 +232,6 @@ bool WebGraphicsContext3DInProcessImpl::initialize(
     return false;
   }
 
-  glGenFramebuffersEXT(1, &copy_texture_to_parent_texture_fbo_);
-
   initialized_ = true;
   gl_context_->ReleaseCurrent(gl_surface_.get());
   return true;
@@ -1254,10 +1250,6 @@ WebString WebGraphicsContext3DInProcessImpl::getString(WGC3Denum name) {
         // extension that are a subset of it.
         result += " GL_EXT_texture_format_BGRA8888 GL_EXT_read_format_bgra";
       }
-      // GL_CHROMIUM_copy_texture_to_parent_texture requires the
-      // desktopGL-only function glGetTexLevelParameteriv (GLES2
-      // doesn't support it).
-      result += " GL_CHROMIUM_copy_texture_to_parent_texture";
     }
   }
   return WebString::fromUTF8(result.c_str());

webkit/gpu/webgraphicscontext3d_in_process_impl.h

@@ -479,9 +479,6 @@ class WebGraphicsContext3DInProcessImpl : public WebGraphicsContext3D {
   // For tracking which texture is bound
   WebGLId bound_texture_;
 
-  // FBO used for copying child texture to parent texture.
-  WebGLId copy_texture_to_parent_texture_fbo_;
-
 #ifdef FLIP_FRAMEBUFFER_VERTICALLY
   unsigned char* scanline_;
 #endif