Updates to make install_third_party build gtest and gmock on windows.

build_tools/install_gtest/nacl-gtest-1.5.0.patch

 diff -Naur gtest-1.5.0/Makefile gtest-1.5.0.nacl/Makefile
 --- gtest-1.5.0/Makefile        1969-12-31 17:00:00.000000000 -0700
 +++ gtest-1.5.0.nacl/Makefile   2010-07-08 09:49:37.000000000 -0600
-@@ -0,0 +1,25 @@
+@@ -0,0 +1,32 @@
 +CXXFLAGS = -O0 -g
 +INCLUDE = -Iinclude -I.
 +LIB_GTEST = libgtest.a
 +OBJ_DIR = obj
 +
 +OBJ_FILES = gtest.o \
 +            gtest-filepath.o \
 +            gtest-port.o \
 +            gtest-test-part.o \
 +            gtest-typed-test.o
 +
++# Necessary because we can't CD to the obj directory on windows.
++OBJ_LIST = $(OBJ_DIR)/gtest.o \
++           $(OBJ_DIR)/gtest-filepath.o \
++           $(OBJ_DIR)/gtest-port.o \
++           $(OBJ_DIR)/gtest-test-part.o \
++           $(OBJ_DIR)/gtest-typed-test.o
++
 +all: $(LIB_GTEST)
 +       @echo "Making libgtest"
 +
 +clean:
 +       rm -rf $(OBJ_DIR) $(LIB_GTEST)
 +
 +$(OBJ_DIR):
 +       mkdir $(OBJ_DIR)
 +
 +$(OBJ_FILES): %.o: src/%.cc $(OBJ_DIR)
 +       $(CXX) -c $(INCLUDE) $(CXXFLAGS) $< -o $(OBJ_DIR)/$@
 +
 +$(LIB_GTEST): $(OBJ_DIR) $(OBJ_FILES)
-+       cd $(OBJ_DIR) && $(AR) rcs ../$(LIB_GTEST) $(OBJ_FILES)
++       $(AR) rcs $(LIB_GTEST) $(OBJ_LIST)
 diff -Naur gtest-1.5.0/include/gtest/gtest.h gtest-1.5.0.nacl/include/gtest/gtest.h
 --- gtest-1.5.0/include/gtest/gtest.h   2010-04-15 16:02:03.000000000 -0600
 +++ gtest-1.5.0.nacl/include/gtest/gtest.h      2010-07-08 09:49:37.000000000 -0600
 @@ -56,7 +56,6 @@
-
- #include <gtest/internal/gtest-internal.h>
+ #include <gtest/internal/gtest-internal.h>ls
+ 
  #include <gtest/internal/gtest-string.h>
 -#include <gtest/gtest-death-test.h>
  #include <gtest/gtest-message.h>
  #include <gtest/gtest-param-test.h>
  #include <gtest/gtest_prod.h>
 diff -Naur gtest-1.5.0/include/gtest/internal/gtest-port.h gtest-1.5.0.nacl/include/gtest/internal/gtest-port.h
 --- gtest-1.5.0/include/gtest/internal/gtest-port.h     2010-04-15 16:02:02.000000000 -0600
 +++ gtest-1.5.0.nacl/include/gtest/internal/gtest-port.h        2010-07-08 09:49:37.000000000 -0600
 @@ -222,14 +222,13 @@
  #endif  // __CYGWIN__
@@ skipping 171 matching lines @@
 --- gtest-1.5.0/src/gtest_main.cc       2010-04-15 16:02:04.000000000 -0600
 +++ gtest-1.5.0.nacl/src/gtest_main.cc  2010-07-08 10:14:13.000000000 -0600
 @@ -33,7 +33,6 @@
 
  int main(int argc, char **argv) {
    std::cout << "Running main() from gtest_main.cc\n";
 -
    testing::InitGoogleTest(&argc, argv);
    return RUN_ALL_TESTS();
  }