blink: Remove unused or rarely used methods from WebGraphicsContext3D

content/common/gpu/client/gpu_context_tests.h

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // These tests are run twice:
 // Once in a gpu test with an in-process WebGraphicsContext3D.
 // Once in a browsertest with a gpu-process WebGraphicsContext3D.
 
 #include "base/bind.h"
 #include "base/run_loop.h"
 #include "gpu/GLES2/gl2extchromium.h"
 #include "gpu/command_buffer/client/context_support.h"
+#include "gpu/command_buffer/client/gles2_interface.h"
 #include "gpu/command_buffer/common/sync_token.h"
 
 namespace {
 
 class SignalTest : public ContextTestBase {
  public:
   static void RunOnlyOnce(base::Closure cb, int* tmp) {
     CHECK_EQ(*tmp, 0);
     ++*tmp;
     cb.Run();
@@ skipping 15 matching lines @@
             &RunOnlyOnce, run_loop.QuitClosure(), base::Owned(new int(0))));
     run_loop.Run();
   }
 };
 
 CONTEXT_TEST_F(SignalTest, BasicSignalSyncTokenTest) {
   if (!context_)
     return;
 
   const blink::WGC3Duint64 fence_sync = context_->insertFenceSyncCHROMIUM();
-  context_->shallowFlushCHROMIUM();
+  context_->GetGLInterface()->ShallowFlushCHROMIUM();
 
   gpu::SyncToken sync_token;
   ASSERT_TRUE(context_->genSyncTokenCHROMIUM(fence_sync, sync_token.GetData()));
 
   TestSignalSyncToken(sync_token);
 };
 
 CONTEXT_TEST_F(SignalTest, EmptySignalSyncTokenTest) {
   if (!context_)
     return;
@@ skipping 45 matching lines @@
   // immediately.
   TestSignalQuery(928729087);
   TestSignalQuery(928729086);
   TestSignalQuery(928729085);
   TestSignalQuery(928729083);
   TestSignalQuery(928729082);
   TestSignalQuery(928729081);
 };
 
 };