clang-format all pdfium code.

testing/embedder_test_timer_handling_delegate.h

 // Copyright 2015 PDFium 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 TESTING_EMBEDDER_TEST_TIMER_HANDLING_DELEGATE_H_
 #define TESTING_EMBEDDER_TEST_TIMER_HANDLING_DELEGATE_H_
 
 #include <map>
 #include <utility>
 
 #include "embedder_test.h"
 
 class EmbedderTestTimerHandlingDelegate : public EmbedderTest::Delegate {
-public:
+ public:
   int SetTimer(int msecs, TimerCallback fn) override {
     expiry_to_timer_map_.insert(std::pair<int, Timer>(
         msecs + imaginary_elapsed_msecs_, Timer(++next_timer_id_, fn)));
     return next_timer_id_;
   }
 
   void KillTimer(int id) override {
     for (auto iter = expiry_to_timer_map_.begin();
          iter != expiry_to_timer_map_.end(); ++iter) {
       if (iter->second.first == id) {
@@ skipping 12 matching lines @@
       }
       Timer t = iter->second;
       if (t.first > imaginary_elapsed_msecs_) {
         break;
       }
       expiry_to_timer_map_.erase(iter);
       t.second(t.first);  // Fire timer.
     }
   }
 
-protected:
-  using Timer = std::pair<int, TimerCallback>;  // ID, callback pair.
+ protected:
+  using Timer = std::pair<int, TimerCallback>;     // ID, callback pair.
   std::multimap<int, Timer> expiry_to_timer_map_;  // Keyed by timeout.
   int next_timer_id_ = 0;
   int imaginary_elapsed_msecs_ = 0;
 };
 
-#endif // TESTING_EMBEDDER_TEST_TIMER_HANDLING_DELEGATE_H_
+#endif  // TESTING_EMBEDDER_TEST_TIMER_HANDLING_DELEGATE_H_