Add multi-planar functions to GpuMemoryBuffer

content/common/gpu/client/gpu_memory_buffer_impl_unittest.cc

Index: content/common/gpu/client/gpu_memory_buffer_impl_unittest.cc
diff --git a/content/common/gpu/client/gpu_memory_buffer_impl_unittest.cc b/content/common/gpu/client/gpu_memory_buffer_impl_unittest.cc
index 419dfeed92fa7c1ca0fa73a40b4a92dd7cc9df53..3c6b645aeb8845a1875669eecfbb456a6468ed2c 100644
--- a/content/common/gpu/client/gpu_memory_buffer_impl_unittest.cc
+++ b/content/common/gpu/client/gpu_memory_buffer_impl_unittest.cc
@@ -106,13 +106,26 @@ TEST_P(GpuMemoryBufferImplTest, Map) {
     ASSERT_TRUE(buffer);
     EXPECT_FALSE(buffer->IsMapped());
 
-    void* memory = buffer->Map();
-    ASSERT_TRUE(memory);
+    size_t num_buffers = buffer->GetNumberOfPlanes();
+
+    // Map buffer into user space.
+    void* mapped_buffers[num_buffers];
+    bool map_completed = buffer->Map(mapped_buffers);
+    ASSERT_TRUE(map_completed);
     EXPECT_TRUE(buffer->IsMapped());
-    uint32 stride = buffer->GetStride();
-    EXPECT_GE(stride, width_in_bytes);
-    memcpy(memory, data.get(), width_in_bytes);
-    EXPECT_EQ(memcmp(memory, data.get(), width_in_bytes), 0);
+
+    // Get strides.
+    uint32 strides[num_buffers];
+    bool getStride_completed = buffer->GetStride(strides);
+    DCHECK(getStride_completed);
+
+    // Copy and compare mapped buffers.
+    for (size_t i = 0; i < num_buffers; ++i) {
+      EXPECT_GE(strides[i], width_in_bytes);
+      memcpy(mapped_buffers[i], data.get(), width_in_bytes);
+      EXPECT_EQ(memcmp(mapped_buffers[i], data.get(), width_in_bytes), 0);
+    }
+
     buffer->Unmap();
     EXPECT_FALSE(buffer->IsMapped());
   }