Convert ARRAYSIZE_UNSAFE -> arraysize in remoting/.

R=sergeyu@chromium.org
BUG=423134

Review URL: https://codereview.chromium.org/660703003

Cr-Commit-Position: refs/heads/master@{#299930}

remoting/host/linux/unicode_to_keysym_unittest.cc

@@ -33,7 +33,7 @@ TEST(GetKeySymsForUnicode, Map) {
     { 0x4444, { 0x01004444, 0 } },
   };
 
-  for (size_t i = 0; i < ARRAYSIZE_UNSAFE(kTests); ++i) {
+  for (size_t i = 0; i < arraysize(kTests); ++i) {
     std::vector<uint32_t> keysyms;
     GetKeySymsForUnicode(kTests[i].code_point, &keysyms);
 

remoting/protocol/jingle_messages_unittest.cc

@@ -314,7 +314,7 @@ TEST(JingleMessageReplyTest, ToXml) {
       "<unexpected-request/></error></iq>" },
   };
 
-  for (size_t i = 0; i < ARRAYSIZE_UNSAFE(tests); ++i) {
+  for (size_t i = 0; i < arraysize(tests); ++i) {
     JingleMessageReply reply_msg;
     if (tests[i].error_text.empty()) {
       reply_msg = JingleMessageReply(tests[i].error);

remoting/protocol/mouse_input_filter_unittest.cc

@@ -35,13 +35,11 @@ static void InjectTestSequence(InputStub* input_stub) {
   static const Point input_sequence[] = {
     {-5, 10}, {0, 10}, {-1, 10}, {15, 40}, {15, 45}, {15, 39}, {15, 25}
   };
-  // arraysize() cannot be used here, becase Point is declared inside of a
-  // function.
-  for (unsigned int i = 0; i < ARRAYSIZE_UNSAFE(input_sequence); ++i) {
+  for (unsigned int i = 0; i < arraysize(input_sequence); ++i) {
     const Point& point = input_sequence[i];
     input_stub->InjectMouseEvent(MouseMoveEvent(point.x, point.y));
   }
-  for (unsigned int i = 0; i < ARRAYSIZE_UNSAFE(input_sequence); ++i) {
+  for (unsigned int i = 0; i < arraysize(input_sequence); ++i) {
     const Point& point = input_sequence[i];
     input_stub->InjectMouseEvent(MouseMoveEvent(point.y, point.x));
   }