Added Header and Footer support using Skia

printing/print_job_constants.cc

Index: printing/print_job_constants.cc
diff --git a/printing/print_job_constants.cc b/printing/print_job_constants.cc
index f0e5e77ca851bb0c2364e5b8eef98706a7e3ece6..7cbb5e0579f44479b287e0ec1c80c9b702330c60 100644
--- a/printing/print_job_constants.cc
+++ b/printing/print_job_constants.cc
@@ -27,6 +27,27 @@ const char kSettingDeviceName[] = "deviceName";
 // Print job duplex mode.
 const char kSettingDuplexMode[] = "duplex";
 
+// Option to print Headers and Footers: true if selected, false if not.
+const char kSettingHeaderFooter[] = "headerFooter";
+
+// Default Font size for printing the headers and footers.
+extern const int kSettingHeaderFooterFontSize = 8;
+
+// Number of horizontal regions for headers and footers.
+extern const float kSettingHeaderFooterHorizontalRegions = 3;

[vandebo (ex-Chrome), 2011/07/19 21:31:20]

Do we put anything in the center?  Maybe set this to 2 until we do (and note
that in the comment).

[Aayush Kumar, 2011/07/21 21:58:53]

The title in the header is printed in the center.
On 2011/07/19 21:31:20, vandebo wrote:

+
+// Interstice or gap between different header footer components.
+// Hardcoded to 0.25cm = 1/10" = 7.2points.
+extern const float kSettingHeaderFooterInterstice = 7.2f;
+
+// Key that specifies the title of the page that will be printed in the headers
+// and footers.
+extern const char kSettingHeaderFooterTitle[] = "title";
+
+// Key that specifies the URL of the page that will be printed in the headers
+// and footers.
+extern const char kSettingHeaderFooterURL[] = "url";
+
 // Page orientation: true for landscape, false for portrait.
 const char kSettingLandscape[] = "landscape";