Remove base::ScopedPtrHashMap from gpu/ipc/service/.

gpu/ipc/service/gpu_channel_manager.h

Index: gpu/ipc/service/gpu_channel_manager.h
diff --git a/gpu/ipc/service/gpu_channel_manager.h b/gpu/ipc/service/gpu_channel_manager.h
index 797dad1039489ef302cc37a86b450e334aae30e1..70a10e4f70b2c41f65ab7dfafceec67f118c2083 100644
--- a/gpu/ipc/service/gpu_channel_manager.h
+++ b/gpu/ipc/service/gpu_channel_manager.h
@@ -10,9 +10,9 @@
 #include <deque>
 #include <memory>
 #include <string>
+#include <unordered_map>
 #include <vector>
 
-#include "base/containers/scoped_ptr_hash_map.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/weak_ptr.h"
@@ -156,10 +156,10 @@ class GPU_EXPORT GpuChannelManager {
   scoped_refptr<base::SingleThreadTaskRunner> task_runner_;
   scoped_refptr<base::SingleThreadTaskRunner> io_task_runner_;
 
-  // These objects manage channels to individual renderer processes there is
+  // These objects manage channels to individual renderer processes. There is
   // one channel for each renderer process that has connected to this GPU
   // process.
-  base::ScopedPtrHashMap<int32_t, std::unique_ptr<GpuChannel>> gpu_channels_;
+  std::unordered_map<int32_t, std::unique_ptr<GpuChannel>> gpu_channels_;
 
  private:
   void InternalDestroyGpuMemoryBuffer(gfx::GpuMemoryBufferId id, int client_id);