Make WaitSyncPoint go through command buffers.

content/common/gpu/client/webgraphicscontext3d_command_buffer_impl.cc

Index: content/common/gpu/client/webgraphicscontext3d_command_buffer_impl.cc
diff --git a/content/common/gpu/client/webgraphicscontext3d_command_buffer_impl.cc b/content/common/gpu/client/webgraphicscontext3d_command_buffer_impl.cc
index 574ee10603e6e0ea543aa6745252f89beb525f08..ba010d5001cb114b0c42c9954df4408676c40ace 100644
--- a/content/common/gpu/client/webgraphicscontext3d_command_buffer_impl.cc
+++ b/content/common/gpu/client/webgraphicscontext3d_command_buffer_impl.cc
@@ -424,12 +424,6 @@ unsigned int WebGraphicsContext3DCommandBufferImpl::insertSyncPoint() {
   return command_buffer_->InsertSyncPoint();
 }
 
-void WebGraphicsContext3DCommandBufferImpl::waitSyncPoint(
-    unsigned int sync_point) {
-  real_gl_->helper()->CommandBufferHelper::Flush();
-  command_buffer_->WaitSyncPoint(sync_point);
-}
-
 bool WebGraphicsContext3DCommandBufferImpl::SetParent(
     WebGraphicsContext3DCommandBufferImpl* new_parent) {
   if (parent_ == new_parent)
@@ -1617,6 +1611,8 @@ DELEGATE_TO_GL_3(bindUniformLocationCHROMIUM, BindUniformLocationCHROMIUM,
 
 DELEGATE_TO_GL(shallowFlushCHROMIUM,ShallowFlushCHROMIUM);
 
+DELEGATE_TO_GL_1(waitSyncPoint, WaitSyncPointCHROMIUM, GLuint)
+
 void WebGraphicsContext3DCommandBufferImpl::genMailboxCHROMIUM(
     WGC3Dbyte* name) {
   std::vector<std::string> names(1);