Rebind EGL context to flush driver caches.

gpu/command_buffer/client/gles2_implementation_unittest_autogen.h

Index: gpu/command_buffer/client/gles2_implementation_unittest_autogen.h
diff --git a/gpu/command_buffer/client/gles2_implementation_unittest_autogen.h b/gpu/command_buffer/client/gles2_implementation_unittest_autogen.h
index 7cf70eb61cc002bec3c936d0c162a7c308e368f4..cf9a177118aeb1ec0d37fa82a80e735a49629478 100644
--- a/gpu/command_buffer/client/gles2_implementation_unittest_autogen.h
+++ b/gpu/command_buffer/client/gles2_implementation_unittest_autogen.h
@@ -3093,6 +3093,17 @@ TEST_F(GLES2ImplementationTest, DiscardBackbufferCHROMIUM) {
   EXPECT_EQ(0, memcmp(&expected, commands_, sizeof(expected)));
 }
 
+TEST_F(GLES2ImplementationTest, FlushDriverCachesCHROMIUM) {
+  struct Cmds {
+    cmds::FlushDriverCachesCHROMIUM cmd;
+  };
+  Cmds expected;
+  expected.cmd.Init();
+
+  gl_->FlushDriverCachesCHROMIUM();
+  EXPECT_EQ(0, memcmp(&expected, commands_, sizeof(expected)));
+}
+
 TEST_F(GLES2ImplementationTest, MatrixLoadfCHROMIUM) {
   GLfloat data[16] = {0};
   struct Cmds {