Update gyp files and DEPS for icu42

base/icu_util.cc

Index: base/icu_util.cc
===================================================================
--- base/icu_util.cc	(revision 25651)
+++ base/icu_util.cc	(working copy)
@@ -62,12 +62,17 @@
                           ASCIIToWide(ICU_UTIL_DATA_SHARED_MODULE_NAME));
 
   HMODULE module = LoadLibrary(data_path.c_str());
-  if (!module)
+  if (!module) {
+    LOG(ERROR) << "Failed to load " << ICU_UTIL_DATA_SHARED_MODULE_NAME;
     return false;
+  }
 
   FARPROC addr = GetProcAddress(module, ICU_UTIL_DATA_SYMBOL);
-  if (!addr)
+  if (!addr) {
+    LOG(ERROR) << ICU_UTIL_DATA_SYMBOL << ": not found in "
+               << ICU_UTIL_DATA_SHARED_MODULE_NAME;
     return false;
+  }
 
   UErrorCode err = U_ZERO_ERROR;
   udata_setCommonData(reinterpret_cast<void*>(addr), &err);