Add GenericSharedMemoryId and use w/ 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 d96c7f43409d5ae8ef88077f8dec6b823705375d..cb7140820d5caf4788d0ee3638e62af48ed8298e 100644
--- a/content/common/gpu/client/gpu_memory_buffer_impl_unittest.cc
+++ b/content/common/gpu/client/gpu_memory_buffer_impl_unittest.cc
@@ -49,7 +49,7 @@ class GpuMemoryBufferImplTest
 };
 
 TEST_P(GpuMemoryBufferImplTest, CreateFromHandle) {
-  const int kBufferId = 1;
+  const gfx::GpuMemoryBufferId kBufferId(1);
 
   gfx::Size buffer_size(8, 8);
 
@@ -72,7 +72,7 @@ TEST_P(GpuMemoryBufferImplTest, CreateFromHandle) {
 }
 
 TEST_P(GpuMemoryBufferImplTest, Map) {
-  const int kBufferId = 1;
+  const gfx::GpuMemoryBufferId kBufferId(1);
 
   // Use a multiple of 4 for both dimensions to support compressed formats.
   gfx::Size buffer_size(4, 4);
@@ -135,7 +135,7 @@ TEST_P(GpuMemoryBufferImplTest, Map) {
 }
 
 TEST_P(GpuMemoryBufferImplTest, PersistentMap) {
-  const int kBufferId = 1;
+  const gfx::GpuMemoryBufferId kBufferId(1);
 
   // Use a multiple of 4 for both dimensions to support compressed formats.
   gfx::Size buffer_size(4, 4);