2 files changed, 25 insertions, 0 deletions
diff --git a/webkit/gpu/webgraphicscontext3d_in_process_impl.cc b/webkit/gpu/webgraphicscontext3d_in_process_impl.cc
index 5c72367..27a0c99 100644
--- a/webkit/gpu/webgraphicscontext3d_in_process_impl.cc
+++ b/webkit/gpu/webgraphicscontext3d_in_process_impl.cc
@@ -654,6 +654,26 @@ void WebGraphicsContext3DInProcessImpl::copyTextureToParentTextureCHROMIUM(
   glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, bound_fbo_);
 }
 
+void WebGraphicsContext3DInProcessImpl::getLatchParentToChildCHROMIUM(
+    WGC3Duint* latch_id)
+{
+}
+
+void WebGraphicsContext3DInProcessImpl::getLatchChildToParentCHROMIUM(
+    WGC3Duint* latch_id)
+{
+}
+
+void WebGraphicsContext3DInProcessImpl::waitLatchCHROMIUM(
+    WGC3Duint latch_id)
+{
+}
+
+void WebGraphicsContext3DInProcessImpl::setLatchCHROMIUM(
+    WGC3Duint latch_id)
+{
+}
+
 WebString WebGraphicsContext3DInProcessImpl::
     getRequestableExtensionsCHROMIUM() {
   return WebString();
diff --git a/webkit/gpu/webgraphicscontext3d_in_process_impl.h b/webkit/gpu/webgraphicscontext3d_in_process_impl.h
index e05cb6b..600b22c 100644
--- a/webkit/gpu/webgraphicscontext3d_in_process_impl.h
+++ b/webkit/gpu/webgraphicscontext3d_in_process_impl.h
@@ -89,6 +89,11 @@ class WebGraphicsContext3DInProcessImpl : public WebGraphicsContext3D {
   virtual void copyTextureToParentTextureCHROMIUM(
       WebGLId texture, WebGLId parentTexture);
 
+  virtual void getLatchParentToChildCHROMIUM(WGC3Duint* latch_id);
+  virtual void getLatchChildToParentCHROMIUM(WGC3Duint* latch_id);
+  virtual void waitLatchCHROMIUM(WGC3Duint latch_id);
+  virtual void setLatchCHROMIUM(WGC3Duint latch_id);
+
   virtual WebString getRequestableExtensionsCHROMIUM();
   virtual void requestExtensionCHROMIUM(const char*);