win: fixes for Windows x64

minidump/minidump_writable_test.cc

 // Copyright 2014 The Crashpad Authors. All rights reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
 // You may obtain a copy of the License at
 //
 //     http://www.apache.org/licenses/LICENSE-2.0
 //
 // Unless required by applicable law or agreed to in writing, software
 // distributed under the License is distributed on an "AS IS" BASIS,
@@ skipping 71 matching lines @@
       }
       return children;
     }
     return MinidumpWritable::Children();
   }
 
   Phase WritePhase() override {
     return has_phase_ ? phase_ : MinidumpWritable::Phase();
   }
 
-  bool WillWriteAtOffsetImpl(off_t offset) override {
+  bool WillWriteAtOffsetImpl(FileOffset offset) override {
     EXPECT_EQ(state(), kStateFrozen);
     expected_offset_ = offset;
     bool rv = MinidumpWritable::WillWriteAtOffsetImpl(offset);
     EXPECT_TRUE(rv);
     return rv;
   }
 
   bool WriteObject(FileWriterInterface* file_writer) override {
     EXPECT_EQ(state(), kStateWritable);
     EXPECT_EQ(expected_offset_, file_writer->Seek(0, SEEK_CUR));
 
     // Subclasses must override this.
     return false;
   }
 
  private:
   std::vector<BaseTestMinidumpWritable*> children_;
-  off_t expected_offset_;
+  FileOffset expected_offset_;
   size_t alignment_;
   Phase phase_;
   bool has_alignment_;
   bool has_phase_;
   bool verified_;
 
   DISALLOW_COPY_AND_ASSIGN(BaseTestMinidumpWritable);
 };
 
 class TestStringMinidumpWritable final : public BaseTestMinidumpWritable {
@@ skipping 707 matching lines @@
     EXPECT_EQ(10u, ldd->location_descriptor.DataSize);
     EXPECT_EQ(12u, ldd->location_descriptor.Rva);
     EXPECT_STREQ("o", ldd->string);
     parent.Verify();
   }
 }
 
 }  // namespace
 }  // namespace test
 }  // namespace crashpad