Revert 258122 "gpu: Allow fences to check whether a flush has oc..."

trunk/src/ui/gl/gl_gl_api_implementation.cc

Index: trunk/src/ui/gl/gl_gl_api_implementation.cc
===================================================================
--- trunk/src/ui/gl/gl_gl_api_implementation.cc	(revision 258964)
+++ trunk/src/ui/gl/gl_gl_api_implementation.cc	(working copy)
@@ -343,11 +343,6 @@
   driver_ = driver;
 }
 
-void GLApiBase::SignalFlush() {
-  DCHECK(GLContext::GetCurrent());
-  GLContext::GetCurrent()->OnFlush();
-}
-
 RealGLApi::RealGLApi() {
 }
 
@@ -358,16 +353,6 @@
   InitializeBase(driver);
 }
 
-void RealGLApi::glFlushFn() {
-  GLApiBase::glFlushFn();
-  GLApiBase::SignalFlush();
-}
-
-void RealGLApi::glFinishFn() {
-  GLApiBase::glFinishFn();
-  GLApiBase::SignalFlush();
-}
-
 TraceGLApi::~TraceGLApi() {
 }
 
@@ -460,14 +445,4 @@
   }
 }
 
-void VirtualGLApi::glFlushFn() {
-  GLApiBase::glFlushFn();
-  GLApiBase::SignalFlush();
-}
-
-void VirtualGLApi::glFinishFn() {
-  GLApiBase::glFinishFn();
-  GLApiBase::SignalFlush();
-}
-
 }  // namespace gfx