Add multi-planar functions to GpuMemoryBuffer

content/browser/compositor/buffer_queue_unittest.cc

Index: content/browser/compositor/buffer_queue_unittest.cc
diff --git a/content/browser/compositor/buffer_queue_unittest.cc b/content/browser/compositor/buffer_queue_unittest.cc
index 019474ff625dd2f27758fcd6476333a7e4614fa6..61e4dab618ef261f638058377f1bfd2a550fe8f9 100644
--- a/content/browser/compositor/buffer_queue_unittest.cc
+++ b/content/browser/compositor/buffer_queue_unittest.cc
@@ -27,11 +27,11 @@ class StubGpuMemoryBufferImpl : public gfx::GpuMemoryBuffer {
   StubGpuMemoryBufferImpl() {}
 
   // Overridden from gfx::GpuMemoryBuffer:
-  void* Map() override { return nullptr; }
+  bool Map(void** data) override { return false; }
   void Unmap() override {}
   bool IsMapped() const override { return false; }
   Format GetFormat() const override { return gfx::GpuMemoryBuffer::RGBX_8888; }
-  uint32 GetStride() const override { return 0; }
+  void GetStride(uint32* stride) const override {}
   gfx::GpuMemoryBufferHandle GetHandle() const override {
     return gfx::GpuMemoryBufferHandle();
   }