PDF Viewer - Add keyboard shortcuts for rotation

pdf/out_of_process_instance.cc

Index: pdf/out_of_process_instance.cc
diff --git a/pdf/out_of_process_instance.cc b/pdf/out_of_process_instance.cc
index f3916f8922e399dec6248a3da47dfdaa6c76afe8..a385bb3aa93e8fcb8e1ff851786043c6d4bea994 100644
--- a/pdf/out_of_process_instance.cc
+++ b/pdf/out_of_process_instance.cc
@@ -124,6 +124,9 @@ const char kJSEmailCc[] = "cc";
 const char kJSEmailBcc[] = "bcc";
 const char kJSEmailSubject[] = "subject";
 const char kJSEmailBody[] = "body";
+// Rotation (Page -> Plugin)
+const char kJSRotateClockwiseType[] = "rotateClockwise";
+const char kJSRotateCounterclockwiseType[] = "rotateCounterclockwise";
 
 const int kFindResultCooldownMs = 100;
 
@@ -374,6 +377,10 @@ void OutOfProcessInstance::HandleMessage(const pp::Var& message) {
     }
   } else if (type == kJSPrintType) {
     Print();
+  } else if (type == kJSRotateClockwiseType) {
+    RotateClockwise();
+  } else if (type == kJSRotateCounterclockwiseType) {
+    RotateCounterclockwise();
   } else if (type == kJSResetPrintPreviewModeType &&
              dict.Get(pp::Var(kJSPrintPreviewUrl)).is_string() &&
              dict.Get(pp::Var(kJSPrintPreviewGrayscale)).is_bool() &&