Another big out-of-lining of test code. Hits a lot of gmock objects

chrome/browser/policy/mock_device_management_backend.h

Index: chrome/browser/policy/mock_device_management_backend.h
diff --git a/chrome/browser/policy/mock_device_management_backend.h b/chrome/browser/policy/mock_device_management_backend.h
index 83323def9d000b16c40b31a151e588bb8b81f8ab..a684e4fe19283da3b56593a270178b32038898c0 100644
--- a/chrome/browser/policy/mock_device_management_backend.h
+++ b/chrome/browser/policy/mock_device_management_backend.h
@@ -22,11 +22,10 @@ namespace em = enterprise_management;
 // Useful for unit testing when a server-based backend isn't
 // available. Simulates both successful and failed requests to the device
 // management server.
-class MockDeviceManagementBackend
-    : public DeviceManagementBackend {
+class MockDeviceManagementBackend : public DeviceManagementBackend {
  public:
-  MockDeviceManagementBackend() {}
-  virtual ~MockDeviceManagementBackend() {}
+  MockDeviceManagementBackend();
+  virtual ~MockDeviceManagementBackend();
 
   // DeviceManagementBackend method overrides:
   MOCK_METHOD4(ProcessRegisterRequest, void(