gpu: Fix some context lost marking glitches+leaks and add UMA stats

gpu/command_buffer/service/gles2_cmd_decoder_unittest_base.cc

 // Copyright (c) 2012 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.
 
 #include "gpu/command_buffer/service/gles2_cmd_decoder_unittest_base.h"
 
 #include <algorithm>
 #include <string>
 #include <vector>
 
@@ skipping 182 matching lines @@
   bool use_default_textures = normalized_init.bind_generates_resource;
 
   InSequence sequence;
 
   surface_ = new gfx::GLSurfaceStub;
   surface_->SetSize(gfx::Size(kBackBufferWidth, kBackBufferHeight));
 
   // Context needs to be created before initializing ContextGroup, which will
   // in turn initialize FeatureInfo, which needs a context to determine
   // extension support.
-  context_ = new gfx::GLContextStubWithExtensions;
+  context_ = new StrictMock<GLContextMock>();
   context_->AddExtensionsString(normalized_init.extensions.c_str());
   context_->SetGLVersionString(normalized_init.gl_version.c_str());
 
-  context_->MakeCurrent(surface_.get());
+  context_->GLContextStubWithExtensions::MakeCurrent(surface_.get());
   gfx::GLSurface::InitializeDynamicMockBindingsForTests(context_.get());
 
   TestHelper::SetupContextGroupInitExpectations(
       gl_.get(),
       DisallowedFeatures(),
       normalized_init.extensions.c_str(),
       normalized_init.gl_version.c_str(),
       normalized_init.bind_generates_resource);
 
   // We initialize the ContextGroup with a MockGLES2Decoder so that
@@ skipping 176 matching lines @@
 
   decoder_.reset(GLES2Decoder::Create(group_.get()));
   decoder_->SetIgnoreCachedStateForTest(ignore_cached_state_for_test_);
   decoder_->GetLogger()->set_log_synthesized_gl_errors(false);
   decoder_->Initialize(surface_,
                        context_,
                        false,
                        surface_->GetSize(),
                        DisallowedFeatures(),
                        attribs);
+  EXPECT_CALL(*context_, MakeCurrent(surface_.get())).WillOnce(Return(true));
+  if (context_->WasAllocatedUsingRobustnessExtension()) {
+    EXPECT_CALL(*gl_, GetGraphicsResetStatusARB())
+        .WillOnce(Return(GL_NO_ERROR));
+  }
   decoder_->MakeCurrent();
   decoder_->set_engine(engine_.get());
   decoder_->BeginDecoding();
 
   EXPECT_CALL(*gl_, GenBuffersARB(_, _))
       .WillOnce(SetArgumentPointee<1>(kServiceBufferId))
       .RetiresOnSaturation();
   GenHelper<cmds::GenBuffersImmediate>(client_buffer_id_);
   EXPECT_CALL(*gl_, GenFramebuffersEXT(_, _))
       .WillOnce(SetArgumentPointee<1>(kServiceFramebufferId))
@@ skipping 1370 matching lines @@
   SetupDefaultProgram();
 }
 
 // Include the auto-generated part of this file. We split this because it means
 // we can easily edit the non-auto generated parts right here in this file
 // instead of having to edit some template or the code generator.
 #include "gpu/command_buffer/service/gles2_cmd_decoder_unittest_0_autogen.h"
 
 }  // namespace gles2
 }  // namespace gpu