Rebind EGL context to flush driver caches.

gpu/command_buffer/client/gles2_c_lib_autogen.h

Index: gpu/command_buffer/client/gles2_c_lib_autogen.h
diff --git a/gpu/command_buffer/client/gles2_c_lib_autogen.h b/gpu/command_buffer/client/gles2_c_lib_autogen.h
index 4e304c1df0f39b3b4e8395474c94279446ad23de..956b0d54be7b7677bf7d86eac5506d82a8276ffa 100644
--- a/gpu/command_buffer/client/gles2_c_lib_autogen.h
+++ b/gpu/command_buffer/client/gles2_c_lib_autogen.h
@@ -1404,6 +1404,9 @@ void GLES2ScheduleOverlayPlaneCHROMIUM(GLint plane_z_order,
 void GLES2SwapInterval(GLint interval) {
   gles2::GetGLContext()->SwapInterval(interval);
 }
+void GLES2FlushDriverCachesCHROMIUM() {
+  gles2::GetGLContext()->FlushDriverCachesCHROMIUM();
+}
 void GLES2MatrixLoadfCHROMIUM(GLenum matrixMode, const GLfloat* m) {
   gles2::GetGLContext()->MatrixLoadfCHROMIUM(matrixMode, m);
 }
@@ -2693,6 +2696,10 @@ extern const NameToFunc g_gles2_function_table[] = {
      reinterpret_cast<GLES2FunctionPointer>(glSwapInterval),
     },
     {
+     "glFlushDriverCachesCHROMIUM",
+     reinterpret_cast<GLES2FunctionPointer>(glFlushDriverCachesCHROMIUM),
+    },
+    {
      "glMatrixLoadfCHROMIUM",
      reinterpret_cast<GLES2FunctionPointer>(glMatrixLoadfCHROMIUM),
     },