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..f321a45ab2a3b8e393293751c63ec4f4822af438 100644
--- a/content/browser/compositor/buffer_queue_unittest.cc
+++ b/content/browser/compositor/buffer_queue_unittest.cc
@@ -27,11 +27,15 @@ 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; }
+  size_t GetNumberOfPlanes() const override { return 1; }
   Format GetFormat() const override { return gfx::GpuMemoryBuffer::RGBX_8888; }
-  uint32 GetStride() const override { return 0; }
+  bool GetStride(uint32* stride) const override {
+    stride[0] = 0;
+    return false;
+  }
   gfx::GpuMemoryBufferHandle GetHandle() const override {
     return gfx::GpuMemoryBufferHandle();
   }