Cherry-pick: [Android WebView] Enable the Blink quirk for returning screen sizes in physical pixels

Cherry-pick of chromium http://crrev.com/26460004

Bug: 11026947

Original description:

This enables the browser to return screen.width / availWidth (and height),
@media device-width (and height), window.outerWidth (and height),
but not window.innerWidth (and height) in physical rather than CSS
pixels.

BUG=305236

Change-Id: I8050131f5ba39aaa25efcce900d227e1da81da01

android_webview/native/aw_settings.cc

@@ -311,6 +311,7 @@ void AwSettings::PopulateWebPreferences(WebPreferences* web_prefs) {
   web_prefs->viewport_meta_layout_size_quirk = support_quirks;
   web_prefs->viewport_meta_zero_values_quirk = support_quirks;
   web_prefs->ignore_main_frame_overflow_hidden_quirk = support_quirks;
+  web_prefs->report_screen_size_in_physical_pixels_quirk = support_quirks;
 
   web_prefs->password_echo_enabled =
       Java_AwSettings_getPasswordEchoEnabled(env, obj);

content/public/common/common_param_traits_macros.h

@@ -209,6 +209,7 @@ IPC_STRUCT_TRAITS_BEGIN(WebPreferences)
   IPC_STRUCT_TRAITS_MEMBER(viewport_meta_layout_size_quirk)
   IPC_STRUCT_TRAITS_MEMBER(viewport_meta_zero_values_quirk)
   IPC_STRUCT_TRAITS_MEMBER(ignore_main_frame_overflow_hidden_quirk)
+  IPC_STRUCT_TRAITS_MEMBER(report_screen_size_in_physical_pixels_quirk)
 #endif
 IPC_STRUCT_TRAITS_END()
 

webkit/common/webpreferences.cc

@@ -133,7 +133,8 @@ WebPreferences::WebPreferences()
       use_wide_viewport(true),
       viewport_meta_layout_size_quirk(false),
       viewport_meta_zero_values_quirk(false),
-      ignore_main_frame_overflow_hidden_quirk(false)
+      ignore_main_frame_overflow_hidden_quirk(false),
+      report_screen_size_in_physical_pixels_quirk(false)
 #endif
 {
   standard_font_family_map[webkit_glue::kCommonScript] =

webkit/common/webpreferences.h

@@ -177,6 +177,7 @@ struct WEBKIT_COMMON_EXPORT WebPreferences {
   bool viewport_meta_layout_size_quirk;
   bool viewport_meta_zero_values_quirk;
   bool ignore_main_frame_overflow_hidden_quirk;
+  bool report_screen_size_in_physical_pixels_quirk;
 #endif
 
   // We try to keep the default values the same as the default values in

webkit/renderer/webpreferences_renderer.cc

@@ -343,6 +343,8 @@ void ApplyWebPreferences(const WebPreferences& prefs, WebView* web_view) {
       prefs.viewport_meta_zero_values_quirk);
   settings->setIgnoreMainFrameOverflowHiddenQuirk(
       prefs.ignore_main_frame_overflow_hidden_quirk);
+  settings->setReportScreenSizeInPhysicalPixelsQuirk(
+      prefs.report_screen_size_in_physical_pixels_quirk);
 #endif
 
   WebNetworkStateNotifier::setOnLine(prefs.is_online);