[ChromeDriver] Support mobile emulation on desktop Chrome.

chrome/test/chromedriver/chrome/web_view.h

Index: chrome/test/chromedriver/chrome/web_view.h
diff --git a/chrome/test/chromedriver/chrome/web_view.h b/chrome/test/chromedriver/chrome/web_view.h
index e30ec9518150e844f313209ca350a03f29658760..b59c8d882d2851c7d3b3b189176273eda0b83c5a 100644
--- a/chrome/test/chromedriver/chrome/web_view.h
+++ b/chrome/test/chromedriver/chrome/web_view.h
@@ -21,6 +21,7 @@ class Value;
 
 class DevToolsClient;
 struct Geoposition;
+struct DeviceMetrics;

[stgao, 2014/04/30 03:32:55]

Not in order.

[sam.rawlins, 2014/05/06 23:51:46]

Done.

 class JavaScriptDialogManager;
 struct KeyEvent;
 struct MouseEvent;
@@ -139,6 +140,9 @@ class WebView {
   // Overrides normal geolocation with a given geoposition.
   virtual Status OverrideGeolocation(const Geoposition& geoposition) = 0;
 
+  // Overrides normal device metrics with a given set of metrics.
+  virtual Status OverrideDeviceMetrics(const DeviceMetrics& device_metrics) = 0;

[stgao, 2014/05/03 00:15:20]

Same as my comment in device_metrics_override_manager.h, we could use the
"OnConnected" event to override the metrics through DevTools.
So we don't have to override device metrics for each WebView explicitly.

[sam.rawlins, 2014/05/06 23:51:46]

Done.

+
   // Captures the visible portions of the web view as a base64-encoded PNG.
   virtual Status CaptureScreenshot(std::string* screenshot) = 0;