Blink Platform: Remove time functions from Platform.

third_party/WebKit/Source/platform/testing/RunAllTests.cpp

Index: third_party/WebKit/Source/platform/testing/RunAllTests.cpp
diff --git a/third_party/WebKit/Source/platform/testing/RunAllTests.cpp b/third_party/WebKit/Source/platform/testing/RunAllTests.cpp
index 8de5d6be20778d310852d32223a8c74f96ef1db6..dae2e0d494bf40f9b50de4dcdba08dce8add9c78 100644
--- a/third_party/WebKit/Source/platform/testing/RunAllTests.cpp
+++ b/third_party/WebKit/Source/platform/testing/RunAllTests.cpp
@@ -33,6 +33,7 @@
 #include "platform/heap/Heap.h"
 #include "platform/testing/TestingPlatformSupport.h"
 #include "wtf/CryptographicallyRandomNumber.h"
+#include "wtf/CurrentTime.h"
 #include "wtf/MainThread.h"
 #include "wtf/Partitions.h"
 #include "wtf/WTF.h"
@@ -43,11 +44,6 @@
 #include <cc/blink/web_compositor_support_impl.h>
 #include <string.h>
 
-static double CurrentTime()
-{
-    return 0.0;
-}
-
 static void AlwaysZeroNumberSource(unsigned char* buf, size_t len)
 {
     memset(buf, '\0', len);
@@ -63,7 +59,10 @@ static int runTestSuite(base::TestSuite* testSuite)
 int main(int argc, char** argv)
 {
     WTF::setRandomSource(AlwaysZeroNumberSource);
-    WTF::initialize(CurrentTime, CurrentTime, CurrentTime, nullptr, nullptr);
+    WTF::setTimeFunctionsForTesting([]() -> double {

[haraken, 2015/12/28 02:24:27]

Nit: I've never seen Blink using the []()-> syntax. I'd slightly prefer not
using an advanced feature in C++.

[Yuta Kitamura, 2016/01/05 05:31:06]

I think mine is clearer and simpler, but I'd defer this
to Elliott. This is C++11's lambda syntax, just like
writing "function () { ... }" in JavaScript.

Chromium allows lambdas under certain conditions:
https://chromium-cpp.appspot.com/

+        return 0.0;
+    });
+    WTF::initialize(nullptr, nullptr);
     WTF::initializeMainThread(0);
 
     blink::TestingPlatformSupport::Config platformConfig;