Move Linux/Android breakpad implementation to breakpad component

components/breakpad/app/breakpad_client.h

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef COMPONENTS_BREAKPAD_BREAKPAD_CLIENT_H_
-#define COMPONENTS_BREAKPAD_BREAKPAD_CLIENT_H_
+#ifndef COMPONENTS_BREAKPAD_APP_BREAKPAD_CLIENT_H_
+#define COMPONENTS_BREAKPAD_APP_BREAKPAD_CLIENT_H_
 
 #include <string>
 
 #include "base/strings/string16.h"
 #include "build/build_config.h"
 
 namespace base {
 class FilePath;
 }
 
 #if defined(OS_MACOSX)
 // We don't want to directly include
 // breakpad/src/client/mac/Framework/Breakpad.h here, so we repeat the
 // definition of BreakpadRef.
 //
 // On Mac, when compiling without breakpad support, a stub implementation is
 // compiled in. Not having any includes of the breakpad library allows for
 // reusing this header for the stub.
 typedef void* BreakpadRef;
 #endif
 
 namespace breakpad {
 
 class BreakpadClient;
 
 // Setter and getter for the client.  The client should be set early, before any
 // breakpad code is called, and should stay alive throughout the entire runtime.
 void SetBreakpadClient(BreakpadClient* client);
 
+#if defined(BREAKPAD_IMPLEMENTATION)
 // Breakpad's embedder API should only be used by breakpad.
 BreakpadClient* GetBreakpadClient();
+#endif
 
 // Interface that the embedder implements.
 class BreakpadClient {
  public:
   BreakpadClient();
   virtual ~BreakpadClient();
 
   // Sets the Breakpad client ID, which is a unique identifier for the client
   // that is sending crash reports. After it is set, it should not be changed.
   virtual void SetClientID(const std::string& client_id);
@@ skipping 84 matching lines @@
 #endif
 
 #if defined(OS_MACOSX)
   // Install additional breakpad filter callbacks.
   virtual void InstallAdditionalFilters(BreakpadRef breakpad);
 #endif
 };
 
 }  // namespace breakpad
 
-#endif  // COMPONENTS_BREAKPAD_BREAKPAD_CLIENT_H_
+#endif  // COMPONENTS_BREAKPAD_APP_BREAKPAD_CLIENT_H_