[Autofill] Add protobuf for Google Wallet risk parameters and a utility function for filling it out.

chrome/browser/autofill/risk/proto/machine_fingerprint.proto

Index: chrome/browser/autofill/risk/proto/machine_fingerprint.proto
diff --git a/chrome/browser/autofill/risk/proto/machine_fingerprint.proto b/chrome/browser/autofill/risk/proto/machine_fingerprint.proto
new file mode 100644
index 0000000000000000000000000000000000000000..fe04bed60b3fc48a5c92ea08fade2a5b3c8143c9
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+++ b/chrome/browser/autofill/risk/proto/machine_fingerprint.proto
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+// Copyright (c) 2012 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.
+//
+// This file contains the definition of protocol buffers for native browser
+// fingerprinting.
+
+// TODO(isherman): Upstream diffs in this file.
+
+syntax = "proto2";
+
+// option optimize_for = LITE_RUNTIME;
+
+package autofill.risk;
+
+message BrowserNativeFingerprinting {
+  // A simple protocol message to represent objects with width and height.
+  message Dimension {
+    required int32 width = 1;
+    required int32 height = 2;
+  }
+
+  message Fingerprint {

[Evan Stade, 2012/12/19 03:13:27]

maybe this should be called something more specific, like MachineCharacteristics
or DurableFingerprint?

[Ilya Sherman, 2012/12/20 04:06:49]

Done.

+
+    // A simple protocol message that represents a plugin.
+    // e.g. flash, shockwave, acrobat reader, gears, picasa
+    message Plugin {
+      required string name = 1;
+      optional string description = 2;
+      repeated string mime_type = 3;
+      optional string version = 4;
+    }
+
+    // Information on the GPU
+    message Graphics {
+      // The GPU manufacturer's vendor id.
+      optional uint32 vendor_id = 1;
+
+      // The GPU manufacturer's device id for the chip set.
+      optional uint32 device_id = 2;
+
+      // The driver version on the GPU.
+      optional string driver_version = 3;
+
+      // The driver date on the GPU.
+      optional string driver_date = 4;
+
+      // The GPU performance statistics.
+      message PerformanceStatistics {
+        optional float graphics_score = 1;
+        optional float gaming_score = 2;
+        optional float overall_score = 3;
+      }
+      optional PerformanceStatistics performance_statistics = 5;
+    }
+
+    // Infomation on the CPU
+    message Cpu {
+      // e.g. "GenuineIntel"
+      optional string vendor_name = 1;
+      // e.g. "Intel(R) Xeon(R) CPU           X5650  @ 2.67GHz\000"
+      optional string brand = 2;
+    }
+
+    // Username currently logged into computer / device.
+    // TODO(isherman): This seems like TMI.  Include pamartin@ in privacy
+    // discussions.
+    optional string user_name = 1;
+
+    // Build version string for the current operating system.
+    optional string operating_system_build = 2;
+
+    // e.g. User-assigned computer name.
+    // TODO(isherman): This seems like TMI.
+    optional string device_name = 3;
+
+    // Browser install time (ms since epoch).
+    // TODO(isherman): This might be TMI.
+    optional int64 browser_install_time_ms = 4;
+
+    // Fonts installed on the machine.
+    repeated string font = 5;
+
+    // Plug-ins installed on the machine.
+    repeated Plugin plugin = 6;
+
+    // Delta in ms of the device's time zone from utc.
+    optional int64 utc_offset_ms = 7;
+
+    // IETF-formatted language tag. e.g. "en", "en-US", "es-419", etc.
+    // http://en.wikipedia.org/wiki/IETF_language_tag
+    optional string browser_language = 8;
+
+    // User-requested language code of viewed sites. Languages in
+    // accept-languages.
+    repeated string requested_language = 9;
+
+    // Default charset of the browser. (e.g. ISO-8859-1, obtained from
+    // document.defaultCharset)
+    optional string charset = 10;
+
+    // The number of physical screens.
+    optional int32 screen_count = 11;
+
+    // Information about the user's monitor's physical screen size.
+    // (e.g. 1024 x 768)
+    optional Dimension screen_size = 12;
+
+    // The color depth of the user's screen (obtained from screen.colorDepth
+    // or screen.pixelDepth)
+    optional int32 screen_color_depth = 13;
+
+    // Information about the size of the portion of the screen that is unusable
+    // to a program (i.e. on Windows, the portion of the screen that is taken
+    // up by the taskbar)
+    optional Dimension unavailable_screen_size = 14;
+
+    optional string user_agent = 15;
+
+    // Total size of each hard drive partition.
+    repeated int32 partition_size = 16;
+
+    optional Cpu cpu = 17;
+
+    // Total RAM in bytes.
+    optional int64 ram = 18;
+
+    // Graphics card being used.
+    optional Graphics graphics_card = 19;
+
+    // Build version string for browser.
+    optional string browser_build = 20;
+
+  }
+
+  // Contains properties relating to more transient computer / browser state.
+  message State {
+    // Corresponds to window.innerWidth / innertHeight
+    optional Dimension inner_window_size = 1;
+
+    // Corresponds to window.outerWidth / outerHeight
+    optional Dimension outer_window_size = 2;
+  }
+
+  // Measures computer / network performance.
+  message Performance {
+    // Bandwidth in MB/s. network.connection.bandwidth
+    optional float bandwidth = 1;
+    // Whether bandwidth cost is metered. network.connection.metered
+    optional bool metered = 2;
+    // Whether it's wifi, 3g, 2g, etc. network.connection.type
+    optional string network_type = 3;
+  }
+
+  message UserBehavior {

[Evan Stade, 2012/12/19 03:13:27]

docs

call it UserCharacteristics?

[Ilya Sherman, 2012/12/20 04:06:49]

Done.

+    message Vector {
+      optional int32 x = 1;
+      optional int32 y = 2;
+      optional int32 z = 3;
+    }
+
+    message Location {
+      // Meters above sea level.
+      optional double altitude = 1;
+      // Latitude in degrees.
+      optional double latitude = 2;
+      // Longitude in degrees.
+      optional double longitude = 3;
+      // Accuracy in meters. 95% probability of being in this radius of
+      // lat / long.
+      optional float accuracy = 4;
+      // Milliseconds since epoch since measurement.
+      optional double time_in_ms = 5;
+    }
+
+    // Average force by finger presses. TouchEvent.force
+    optional float force = 1;
+    // Average finger width. TouchEvent.radiusX
+    optional float touch_width = 2;
+    // Average finger height. TouchEvent.radiusY
+    optional float touch_height = 3;
+    // TouchEvent.rotationAngle
+    optional int32 touch_rotation = 4;
+    // Orientation while user is navigating flow and the device is roughly
+    // stable. x for alpha, y for beta, z for gamma
+    // TODO(isherman): Orientation data is only available asynchronously in
+    // Chrome.
+    optional Vector device_orientation = 5;
+    // Acceleration while measuring orientation.
+    // TODO(isherman): Acceleration data is not available in Chrome.
+    optional Vector device_acceleration = 6;
+    optional Location location = 7;
+  }
+
+  // Metadata associated with data collection or the user
+  // and doesn't actually fingerprint the device.
+  message Metadata {
+    // When this data was collected / received, in milliseconds since the epoch.
+    optional int64 timestamp_ms = 1;
+    // Gaia id associated with transaction.
+    optional int64 gaia_id = 2;
+    // Version of the native library generating this proto.
+    // This may be manually bumped when the code populating the proto has
+    // significantly changed.
+    optional int32 fingerprinter_version = 3;
+  }
+
+  // Computer / browser fingerprint.
+  optional Fingerprint fingerprint = 1;
+
+  optional Performance performance = 2;
+
+  optional UserBehavior user_behavior = 3;
+
+  optional State state = 4;
+
+  // Metadata associated with data collection.
+  optional Metadata metadata = 5;
+}