cc: Make OutputSurface::BindToClient pure virtual and not return bool

content/test/layouttest_support.cc

Index: content/test/layouttest_support.cc
diff --git a/content/test/layouttest_support.cc b/content/test/layouttest_support.cc
index 1e4f279135f70ad6c2d9baf66abff723e39a74f2..df166e20fcd1eef1e05bad656185ae75161da40d 100644
--- a/content/test/layouttest_support.cc
+++ b/content/test/layouttest_support.cc
@@ -387,17 +387,19 @@ class LayoutTestDependenciesImpl : public LayoutTestDependencies,
     const bool automatic_flushes = false;
     const bool support_locking = false;
 
+    auto context_provider = make_scoped_refptr(new ContextProviderCommandBuffer(
+        gpu_channel_, gpu::GPU_STREAM_DEFAULT, gpu::GpuStreamPriority::NORMAL,
+        gpu::kNullSurfaceHandle,
+        GURL("chrome://gpu/"
+             "LayoutTestDependenciesImpl::CreateOutputSurface"),
+        automatic_flushes, support_locking, gpu::SharedMemoryLimits(),
+        attributes, nullptr,
+        command_buffer_metrics::OFFSCREEN_CONTEXT_FOR_TESTING));
+    context_provider->BindToCurrentThread();
+
     bool flipped_output_surface = false;
     return base::MakeUnique<cc::PixelTestOutputSurface>(
-        make_scoped_refptr(new ContextProviderCommandBuffer(
-            gpu_channel_, gpu::GPU_STREAM_DEFAULT,
-            gpu::GpuStreamPriority::NORMAL, gpu::kNullSurfaceHandle,
-            GURL("chrome://gpu/"
-                 "LayoutTestDependenciesImpl::CreateOutputSurface"),
-            automatic_flushes, support_locking, gpu::SharedMemoryLimits(),
-            attributes, nullptr,
-            command_buffer_metrics::OFFSCREEN_CONTEXT_FOR_TESTING)),
-        flipped_output_surface);
+        std::move(context_provider), flipped_output_surface);
   }
   void DisplayReceivedCompositorFrame(
       const cc::CompositorFrame& frame) override {}