[Password Manager] Show omnibox icon and anchored prompt once user start typing password

tools/metrics/histograms/enums.xml

Index: tools/metrics/histograms/enums.xml
diff --git a/tools/metrics/histograms/enums.xml b/tools/metrics/histograms/enums.xml
index 213b407fcce1e4dbec4a4d72dfcc253006a8831e..0491d64498ac4865624321de4be5c189b8bd41d7 100644
--- a/tools/metrics/histograms/enums.xml
+++ b/tools/metrics/histograms/enums.xml
@@ -2623,6 +2623,7 @@ uploading your change for review.  These are checked by presubmit scripts.
   <int value="7" label="CPMD_BAD_ORIGIN_PRESAVE_GENERATED_PASSWORD"/>
   <int value="8"
       label="CPMD_BAD_ORIGIN_SAVE_GENERATION_FIELD_DETECTED_BY_CLASSIFIER"/>
+  <int value="9" label="CPMD_BAD_ORIGIN_SHOW_FALLBACK_FOR_SAVING"/>
 </enum>
 
 <enum name="BadSyncDataReason">
@@ -23342,6 +23343,8 @@ from previous Chrome versions.
   <int value="201343576" label="enable-password-change-support:enabled"/>
   <int value="203776499" label="enable-virtual-keyboard-overscroll"/>
   <int value="223662457" label="BackgroundLoadingForDownloads:enabled"/>
+  <int value="237964589"
+      label="enable-manual-fallback-for-password-saving:disabled"/>
   <int value="241187301" label="BrowserTouchBar:disabled"/>
   <int value="244697230" label="enable-theme-color-in-tabbed-mode"/>
   <int value="259021228" label="OffMainThreadFetch:disabled"/>
@@ -23896,6 +23899,8 @@ from previous Chrome versions.
   <int value="1996125159" label="AutoplayMutedVideos:enabled"/>
   <int value="1997047666" label="NTPSnippetsIncreasedVisibility:disabled"/>
   <int value="2000091128" label="enable-touch-hover"/>
+  <int value="2001562962"
+      label="enable-manual-fallback-for-password-saving:enabled"/>
   <int value="2003811018" label="enable-touch-support-for-screen-magnifier"/>
   <int value="2004483175" label="multi-instance-merge-tabs"/>
   <int value="2004829262" label="enable-webgl-draft-extensions"/>