Grab system and process memory stats into crash keys in fallback handler.

components/crash/content/app/fallback_crash_handler_win_unittest.cc

 // Copyright 2017 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "components/crash/content/app/fallback_crash_handler_win.h"
 
 #include "base/base_switches.h"
 #include "base/command_line.h"
 #include "base/files/file_path.h"
 #include "base/files/scoped_temp_dir.h"
@@ skipping 209 matching lines @@
   EXPECT_NE(parameters.end(), it);
 #if defined(ARCH_CPU_64_BITS)
   EXPECT_EQ("Win64", it->second);
 #else
   EXPECT_EQ("Win32", it->second);
 #endif
 
   it = parameters.find("ptype");
   EXPECT_NE(parameters.end(), it);
   EXPECT_EQ(kProcessType, it->second);
+
+  uint64_t int_value;
+  it = parameters.find("ProcessPrivateUsage");
+  EXPECT_NE(parameters.end(), it);
+  EXPECT_TRUE(base::StringToUint64(it->second, &int_value));
+  EXPECT_NE(0U, int_value);
+
+  it = parameters.find("ProcessPeakWorkingSetSize");
+  EXPECT_NE(parameters.end(), it);
+  EXPECT_TRUE(base::StringToUint64(it->second, &int_value));
+  EXPECT_NE(0U, int_value);
+
+  it = parameters.find("SystemCommitRemaining");
+  EXPECT_NE(parameters.end(), it);
+  EXPECT_TRUE(base::StringToUint64(it->second, &int_value));
+  // TODO(siggi): disable if this flakes, though bots shouldn't be that hard up
+  //     on memory :).
+  EXPECT_NE(0U, int_value);
+
+  it = parameters.find("SystemCommitLimit");
+  EXPECT_NE(parameters.end(), it);
+  EXPECT_TRUE(base::StringToUint64(it->second, &int_value));
+  EXPECT_NE(0U, int_value);
 }
 
 }  // namespace crash_reporter