Experiments for using textfieldy context menus

ui/views/cocoa/bridged_content_view.mm

Index: ui/views/cocoa/bridged_content_view.mm
diff --git a/ui/views/cocoa/bridged_content_view.mm b/ui/views/cocoa/bridged_content_view.mm
index 7fe03cabdef92cc789699397a56e080bc203f291..a3a6884d22a56f9f25b4c8021251384273fb0aa2 100644
--- a/ui/views/cocoa/bridged_content_view.mm
+++ b/ui/views/cocoa/bridged_content_view.mm
@@ -35,6 +35,22 @@
 
 using views::MenuController;
 
+@interface TextShim : NSText {
+  BridgedContentView* owner_;
+}
+@end
+
+@implementation TextShim
+
+- (id)initWithOwner:(BridgedContentView*)owner {
+  if ((self = [super initWithFrame:NSZeroRect])) {
+    owner_ = owner;
+  }
+  return self;
+}
+
+@end
+
 namespace {
 
 NSString* const kFullKeyboardAccessChangedNotification =
@@ -271,6 +287,8 @@ base::string16 AttributedSubstringForRangeHelper(
             userInfo:nil]);
     [self addTrackingArea:cursorTrackingArea_.get()];
 
+    textBridge_.reset([[TextShim alloc] initWithOwner:self]);
+
     // Get notified whenever Full Keyboard Access mode is changed.
     [[NSDistributedNotificationCenter defaultCenter]
         addObserver:self
@@ -366,6 +384,12 @@ base::string16 AttributedSubstringForRangeHelper(
     focusManager->SetKeyboardAccessible([NSApp isFullKeyboardAccessEnabled]);
 }
 
+- (NSView*)contextMenuView {
+  if (textInputClient_)
+    return textBridge_;
+  return self;
+}
+
 // BridgedContentView private implementation.
 
 - (void)handleKeyEvent:(NSEvent*)theEvent {
@@ -1014,6 +1038,7 @@ base::string16 AttributedSubstringForRangeHelper(
   // or (string, string).
   BOOL valid = textInputClient_ && ((canWrite && (canRead || !returnType)) ||
                                     (canRead && (canWrite || !sendType)));
+  //NOTREACHED();
   return valid ? self : [super validRequestorForSendType:sendType
                                               returnType:returnType];
 }