diff --git a/webrtc/base/checks.cc b/webrtc/base/checks.cc
index 99d8877b1c..5de1a8044c 100644
--- a/webrtc/base/checks.cc
+++ b/webrtc/base/checks.cc
@@ -111,6 +111,9 @@ void FatalMessage::Init(const char* file, int line) {
           << file << ", line " << line << std::endl << "# ";
 }
 
+// Refer to comments in checks.h.
+#ifndef WEBRTC_CHROMIUM_BUILD
+
 // MSVC doesn't like complex extern templates and DLLs.
 #if !defined(COMPILER_MSVC)
 // Explicit instantiations for commonly used comparisons.
@@ -126,4 +129,6 @@ template std::string* MakeCheckOpString<std::string, std::string>(
     const std::string&, const std::string&, const char* name);
 #endif
 
+#endif  // WEBRTC_CHROMIUM_BUILD
+
 }  // namespace rtc
diff --git a/webrtc/base/checks.h b/webrtc/base/checks.h
index 9f8122e168..b3917bb559 100644
--- a/webrtc/base/checks.h
+++ b/webrtc/base/checks.h
@@ -52,6 +52,11 @@
 
 namespace rtc {
 
+// The use of overrides/webrtc/base/logging.h in a Chromium build results in
+// redefined macro errors. Fortunately, Chromium's macros can be used as drop-in
+// replacements for the standalone versions.
+#ifndef WEBRTC_CHROMIUM_BUILD
+
 // Helper macro which avoids evaluating the arguments to a stream if
 // the condition doesn't hold.
 #define LAZY_STREAM(stream, condition)                          \
@@ -162,6 +167,8 @@ DEFINE_CHECK_OP_IMPL(GT, > )
 #define DCHECK_LE(v1, v2) EAT_STREAM_PARAMETERS
 #endif
 
+#endif  // WEBRTC_CHROMIUM_BUILD
+
 #define FATAL() rtc::FatalMessage(__FILE__, __LINE__).stream()
 // TODO(ajm): Consider adding NOTIMPLEMENTED and NOTREACHED macros when
 // base/logging.h and system_wrappers/logging.h are consolidated such that we